18417840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:619

約数の個数: 160

約数和(自身を含む): 68805120

約数和(自身を除く): 50387280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 577, 665, 760, 798, 840, 912, 1064, 1140, 1154, 1330, 1520, 1596, 1680, 1731, 1995, 2128, 2280, 2308, 2660, 2885, 3192, 3462, 3990, 4039, 4560, 4616, 5320, 5770, 6384, 6924, 7980, 8078, 8655, 9232, 10640, 10963, 11540, 12117, 13848, 15960, 16156, 17310, 20195, 21926, 23080, 24234, 27696, 31920, 32312, 32889, 34620, 40390, 43852, 46160, 48468, 54815, 60585, 64624, 65778, 69240, 76741, 80780, 87704, 96936, 109630, 121170, 131556, 138480, 153482, 161560, 164445, 175408, 193872, 219260, 230223, 242340, 263112, 306964, 323120, 328890, 383705, 438520, 460446, 484680, 526224, 613928, 657780, 767410, 877040, 920892, 969360, 1151115, 1227856, 1315560, 1534820, 1841784, 2302230, 2631120, 3069640, 3683568, 4604460, 6139280, 9208920, 18417840]

約数ペア:

[(1, 18417840), (2, 9208920), (3, 6139280), (4, 4604460), (5, 3683568), (6, 3069640), (7, 2631120), (8, 2302230), (10, 1841784), (12, 1534820), (14, 1315560), (15, 1227856), (16, 1151115), (19, 969360), (20, 920892), (21, 877040), (24, 767410), (28, 657780), (30, 613928), (35, 526224), (38, 484680), (40, 460446), (42, 438520), (48, 383705), (56, 328890), (57, 323120), (60, 306964), (70, 263112), (76, 242340), (80, 230223), (84, 219260), (95, 193872), (105, 175408), (112, 164445), (114, 161560), (120, 153482), (133, 138480), (140, 131556), (152, 121170), (168, 109630), (190, 96936), (210, 87704), (228, 80780), (240, 76741), (266, 69240), (280, 65778), (285, 64624), (304, 60585), (336, 54815), (380, 48468), (399, 46160), (420, 43852), (456, 40390), (532, 34620), (560, 32889), (570, 32312), (577, 31920), (665, 27696), (760, 24234), (798, 23080), (840, 21926), (912, 20195), (1064, 17310), (1140, 16156), (1154, 15960), (1330, 13848), (1520, 12117), (1596, 11540), (1680, 10963), (1731, 10640), (1995, 9232), (2128, 8655), (2280, 8078), (2308, 7980), (2660, 6924), (2885, 6384), (3192, 5770), (3462, 5320), (3990, 4616), (4039, 4560)]