19021800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{647}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 68700960

約数和(自身を除く): 49679160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 647, 700, 735, 840, 980, 1050, 1176, 1225, 1294, 1400, 1470, 1941, 1960, 2100, 2450, 2588, 2940, 3235, 3675, 3882, 4200, 4529, 4900, 5176, 5880, 6470, 7350, 7764, 9058, 9705, 9800, 12940, 13587, 14700, 15528, 16175, 18116, 19410, 22645, 25880, 27174, 29400, 31703, 32350, 36232, 38820, 45290, 48525, 54348, 63406, 64700, 67935, 77640, 90580, 95109, 97050, 108696, 113225, 126812, 129400, 135870, 158515, 181160, 190218, 194100, 226450, 253624, 271740, 317030, 339675, 380436, 388200, 452900, 475545, 543480, 634060, 679350, 760872, 792575, 905800, 951090, 1268120, 1358700, 1585150, 1902180, 2377725, 2717400, 3170300, 3804360, 4755450, 6340600, 9510900, 19021800]

約数ペア:

[(1, 19021800), (2, 9510900), (3, 6340600), (4, 4755450), (5, 3804360), (6, 3170300), (7, 2717400), (8, 2377725), (10, 1902180), (12, 1585150), (14, 1358700), (15, 1268120), (20, 951090), (21, 905800), (24, 792575), (25, 760872), (28, 679350), (30, 634060), (35, 543480), (40, 475545), (42, 452900), (49, 388200), (50, 380436), (56, 339675), (60, 317030), (70, 271740), (75, 253624), (84, 226450), (98, 194100), (100, 190218), (105, 181160), (120, 158515), (140, 135870), (147, 129400), (150, 126812), (168, 113225), (175, 108696), (196, 97050), (200, 95109), (210, 90580), (245, 77640), (280, 67935), (294, 64700), (300, 63406), (350, 54348), (392, 48525), (420, 45290), (490, 38820), (525, 36232), (588, 32350), (600, 31703), (647, 29400), (700, 27174), (735, 25880), (840, 22645), (980, 19410), (1050, 18116), (1176, 16175), (1225, 15528), (1294, 14700), (1400, 13587), (1470, 12940), (1941, 9800), (1960, 9705), (2100, 9058), (2450, 7764), (2588, 7350), (2940, 6470), (3235, 5880), (3675, 5176), (3882, 4900), (4200, 4529)]