18893640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 57427200

約数和(自身を除く): 38533560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 1993, 2370, 3160, 3986, 4740, 5979, 7972, 9480, 9965, 11958, 15944, 19930, 23916, 29895, 39860, 47832, 59790, 79720, 119580, 157447, 239160, 314894, 472341, 629788, 787235, 944682, 1259576, 1574470, 1889364, 2361705, 3148940, 3778728, 4723410, 6297880, 9446820, 18893640]

約数ペア:

[(1, 18893640), (2, 9446820), (3, 6297880), (4, 4723410), (5, 3778728), (6, 3148940), (8, 2361705), (10, 1889364), (12, 1574470), (15, 1259576), (20, 944682), (24, 787235), (30, 629788), (40, 472341), (60, 314894), (79, 239160), (120, 157447), (158, 119580), (237, 79720), (316, 59790), (395, 47832), (474, 39860), (632, 29895), (790, 23916), (948, 19930), (1185, 15944), (1580, 11958), (1896, 9965), (1993, 9480), (2370, 7972), (3160, 5979), (3986, 4740)]