19420728

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{10243}}^1$

素因数の和:10331

約数の個数: 32

約数和(自身を含む): 49171200

約数和(自身を除く): 29750472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 10243, 20486, 30729, 40972, 61458, 81944, 122916, 245832, 809197, 1618394, 2427591, 3236788, 4855182, 6473576, 9710364, 19420728]

約数ペア:

[(1, 19420728), (2, 9710364), (3, 6473576), (4, 4855182), (6, 3236788), (8, 2427591), (12, 1618394), (24, 809197), (79, 245832), (158, 122916), (237, 81944), (316, 61458), (474, 40972), (632, 30729), (948, 20486), (1896, 10243)]