18533216

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 41504400

約数和(自身を除く): 22971184

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 149, 169, 184, 208, 298, 299, 338, 368, 416, 596, 598, 676, 736, 1192, 1196, 1352, 1937, 2384, 2392, 2704, 3427, 3874, 3887, 4768, 4784, 5408, 6854, 7748, 7774, 9568, 13708, 15496, 15548, 25181, 27416, 30992, 31096, 44551, 50362, 54832, 61984, 62192, 89102, 100724, 109664, 124384, 178204, 201448, 356408, 402896, 579163, 712816, 805792, 1158326, 1425632, 2316652, 4633304, 9266608, 18533216]

約数ペア:

[(1, 18533216), (2, 9266608), (4, 4633304), (8, 2316652), (13, 1425632), (16, 1158326), (23, 805792), (26, 712816), (32, 579163), (46, 402896), (52, 356408), (92, 201448), (104, 178204), (149, 124384), (169, 109664), (184, 100724), (208, 89102), (298, 62192), (299, 61984), (338, 54832), (368, 50362), (416, 44551), (596, 31096), (598, 30992), (676, 27416), (736, 25181), (1192, 15548), (1196, 15496), (1352, 13708), (1937, 9568), (2384, 7774), (2392, 7748), (2704, 6854), (3427, 5408), (3874, 4784), (3887, 4768)]