19646848

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11807}}^1$

素因数の和:11834

約数の個数: 32

約数和(自身を含む): 42154560

約数和(自身を除く): 22507712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11807, 23614, 47228, 94456, 153491, 188912, 306982, 377824, 613964, 755648, 1227928, 1511296, 2455856, 4911712, 9823424, 19646848]

約数ペア:

[(1, 19646848), (2, 9823424), (4, 4911712), (8, 2455856), (13, 1511296), (16, 1227928), (26, 755648), (32, 613964), (52, 377824), (64, 306982), (104, 188912), (128, 153491), (208, 94456), (416, 47228), (832, 23614), (1664, 11807)]