19410720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 71850240

約数和(自身を除く): 52439520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 96, 105, 106, 109, 112, 120, 140, 159, 160, 168, 210, 212, 218, 224, 240, 265, 280, 318, 327, 336, 371, 420, 424, 436, 480, 530, 545, 560, 636, 654, 672, 742, 763, 795, 840, 848, 872, 1060, 1090, 1113, 1120, 1272, 1308, 1484, 1526, 1590, 1635, 1680, 1696, 1744, 1855, 2120, 2180, 2226, 2289, 2544, 2616, 2968, 3052, 3180, 3270, 3360, 3488, 3710, 3815, 4240, 4360, 4452, 4578, 5088, 5232, 5565, 5777, 5936, 6104, 6360, 6540, 7420, 7630, 8480, 8720, 8904, 9156, 10464, 11130, 11445, 11554, 11872, 12208, 12720, 13080, 14840, 15260, 17331, 17440, 17808, 18312, 22260, 22890, 23108, 24416, 25440, 26160, 28885, 29680, 30520, 34662, 35616, 36624, 40439, 44520, 45780, 46216, 52320, 57770, 59360, 61040, 69324, 73248, 80878, 86655, 89040, 91560, 92432, 115540, 121317, 122080, 138648, 161756, 173310, 178080, 183120, 184864, 202195, 231080, 242634, 277296, 323512, 346620, 366240, 404390, 462160, 485268, 554592, 606585, 647024, 693240, 808780, 924320, 970536, 1213170, 1294048, 1386480, 1617560, 1941072, 2426340, 2772960, 3235120, 3882144, 4852680, 6470240, 9705360, 19410720]

約数ペア:

[(1, 19410720), (2, 9705360), (3, 6470240), (4, 4852680), (5, 3882144), (6, 3235120), (7, 2772960), (8, 2426340), (10, 1941072), (12, 1617560), (14, 1386480), (15, 1294048), (16, 1213170), (20, 970536), (21, 924320), (24, 808780), (28, 693240), (30, 647024), (32, 606585), (35, 554592), (40, 485268), (42, 462160), (48, 404390), (53, 366240), (56, 346620), (60, 323512), (70, 277296), (80, 242634), (84, 231080), (96, 202195), (105, 184864), (106, 183120), (109, 178080), (112, 173310), (120, 161756), (140, 138648), (159, 122080), (160, 121317), (168, 115540), (210, 92432), (212, 91560), (218, 89040), (224, 86655), (240, 80878), (265, 73248), (280, 69324), (318, 61040), (327, 59360), (336, 57770), (371, 52320), (420, 46216), (424, 45780), (436, 44520), (480, 40439), (530, 36624), (545, 35616), (560, 34662), (636, 30520), (654, 29680), (672, 28885), (742, 26160), (763, 25440), (795, 24416), (840, 23108), (848, 22890), (872, 22260), (1060, 18312), (1090, 17808), (1113, 17440), (1120, 17331), (1272, 15260), (1308, 14840), (1484, 13080), (1526, 12720), (1590, 12208), (1635, 11872), (1680, 11554), (1696, 11445), (1744, 11130), (1855, 10464), (2120, 9156), (2180, 8904), (2226, 8720), (2289, 8480), (2544, 7630), (2616, 7420), (2968, 6540), (3052, 6360), (3180, 6104), (3270, 5936), (3360, 5777), (3488, 5565), (3710, 5232), (3815, 5088), (4240, 4578), (4360, 4452)]