18419859

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 10303341

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 373, 531, 837, 1119, 1593, 1829, 3357, 5487, 10071, 11563, 16461, 22007, 34689, 49383, 66021, 104067, 198063, 312201, 594189, 682217, 2046651, 6139953, 18419859]

約数ペア:

[(1, 18419859), (3, 6139953), (9, 2046651), (27, 682217), (31, 594189), (59, 312201), (93, 198063), (177, 104067), (279, 66021), (373, 49383), (531, 34689), (837, 22007), (1119, 16461), (1593, 11563), (1829, 10071), (3357, 5487)]