18694832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 60

約数和(自身を含む): 41570256

約数和(自身を除く): 22875424

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 289, 311, 442, 578, 622, 884, 1156, 1244, 1768, 2312, 2488, 3536, 3757, 4043, 4624, 4976, 5287, 7514, 8086, 10574, 15028, 16172, 21148, 30056, 32344, 42296, 60112, 64688, 68731, 84592, 89879, 137462, 179758, 274924, 359516, 549848, 719032, 1099696, 1168427, 1438064, 2336854, 4673708, 9347416, 18694832]

約数ペア:

[(1, 18694832), (2, 9347416), (4, 4673708), (8, 2336854), (13, 1438064), (16, 1168427), (17, 1099696), (26, 719032), (34, 549848), (52, 359516), (68, 274924), (104, 179758), (136, 137462), (208, 89879), (221, 84592), (272, 68731), (289, 64688), (311, 60112), (442, 42296), (578, 32344), (622, 30056), (884, 21148), (1156, 16172), (1244, 15028), (1768, 10574), (2312, 8086), (2488, 7514), (3536, 5287), (3757, 4976), (4043, 4624)]