18844410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 49150080

約数和(自身を除く): 30305670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 211, 229, 390, 422, 458, 633, 687, 1055, 1145, 1266, 1374, 2110, 2290, 2743, 2977, 3165, 3435, 5486, 5954, 6330, 6870, 8229, 8931, 13715, 14885, 16458, 17862, 27430, 29770, 41145, 44655, 48319, 82290, 89310, 96638, 144957, 241595, 289914, 483190, 628147, 724785, 1256294, 1449570, 1884441, 3140735, 3768882, 6281470, 9422205, 18844410]

約数ペア:

[(1, 18844410), (2, 9422205), (3, 6281470), (5, 3768882), (6, 3140735), (10, 1884441), (13, 1449570), (15, 1256294), (26, 724785), (30, 628147), (39, 483190), (65, 289914), (78, 241595), (130, 144957), (195, 96638), (211, 89310), (229, 82290), (390, 48319), (422, 44655), (458, 41145), (633, 29770), (687, 27430), (1055, 17862), (1145, 16458), (1266, 14885), (1374, 13715), (2110, 8931), (2290, 8229), (2743, 6870), (2977, 6330), (3165, 5954), (3435, 5486)]