18734268

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 51429504

約数和(自身を除く): 32695236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 151, 196, 211, 294, 302, 422, 453, 588, 604, 633, 844, 906, 1057, 1266, 1477, 1812, 2114, 2532, 2954, 3171, 4228, 4431, 5908, 6342, 7399, 8862, 10339, 12684, 14798, 17724, 20678, 22197, 29596, 31017, 31861, 41356, 44394, 62034, 63722, 88788, 95583, 124068, 127444, 191166, 223027, 382332, 446054, 669081, 892108, 1338162, 1561189, 2676324, 3122378, 4683567, 6244756, 9367134, 18734268]

約数ペア:

[(1, 18734268), (2, 9367134), (3, 6244756), (4, 4683567), (6, 3122378), (7, 2676324), (12, 1561189), (14, 1338162), (21, 892108), (28, 669081), (42, 446054), (49, 382332), (84, 223027), (98, 191166), (147, 127444), (151, 124068), (196, 95583), (211, 88788), (294, 63722), (302, 62034), (422, 44394), (453, 41356), (588, 31861), (604, 31017), (633, 29596), (844, 22197), (906, 20678), (1057, 17724), (1266, 14798), (1477, 12684), (1812, 10339), (2114, 8862), (2532, 7399), (2954, 6342), (3171, 5908), (4228, 4431)]