18748160

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 45671136

約数和(自身を除く): 26922976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 151, 160, 194, 256, 302, 320, 388, 485, 604, 640, 755, 776, 970, 1208, 1280, 1510, 1552, 1940, 2416, 3020, 3104, 3880, 4832, 6040, 6208, 7760, 9664, 12080, 12416, 14647, 15520, 19328, 24160, 24832, 29294, 31040, 38656, 48320, 58588, 62080, 73235, 96640, 117176, 124160, 146470, 193280, 234352, 292940, 468704, 585880, 937408, 1171760, 1874816, 2343520, 3749632, 4687040, 9374080, 18748160]

約数ペア:

[(1, 18748160), (2, 9374080), (4, 4687040), (5, 3749632), (8, 2343520), (10, 1874816), (16, 1171760), (20, 937408), (32, 585880), (40, 468704), (64, 292940), (80, 234352), (97, 193280), (128, 146470), (151, 124160), (160, 117176), (194, 96640), (256, 73235), (302, 62080), (320, 58588), (388, 48320), (485, 38656), (604, 31040), (640, 29294), (755, 24832), (776, 24160), (970, 19328), (1208, 15520), (1280, 14647), (1510, 12416), (1552, 12080), (1940, 9664), (2416, 7760), (3020, 6208), (3104, 6040), (3880, 4832)]