18685888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:669

約数の個数: 56

約数和(自身を含む): 41078912

約数和(自身を除く): 22393024

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 148, 208, 296, 416, 481, 592, 607, 832, 962, 1184, 1214, 1924, 2368, 2428, 3848, 4856, 7696, 7891, 9712, 15392, 15782, 19424, 22459, 30784, 31564, 38848, 44918, 63128, 89836, 126256, 179672, 252512, 291967, 359344, 505024, 583934, 718688, 1167868, 1437376, 2335736, 4671472, 9342944, 18685888]

約数ペア:

[(1, 18685888), (2, 9342944), (4, 4671472), (8, 2335736), (13, 1437376), (16, 1167868), (26, 718688), (32, 583934), (37, 505024), (52, 359344), (64, 291967), (74, 252512), (104, 179672), (148, 126256), (208, 89836), (296, 63128), (416, 44918), (481, 38848), (592, 31564), (607, 30784), (832, 22459), (962, 19424), (1184, 15782), (1214, 15392), (1924, 9712), (2368, 7891), (2428, 7696), (3848, 4856)]