19541704

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 47779200

約数和(自身を除く): 28237496

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1579, 1768, 3094, 3158, 6188, 6316, 11053, 12376, 12632, 20527, 22106, 26843, 41054, 44212, 53686, 82108, 88424, 107372, 143689, 164216, 187901, 214744, 287378, 348959, 375802, 574756, 697918, 751604, 1149512, 1395836, 1503208, 2442713, 2791672, 4885426, 9770852, 19541704]

約数ペア:

[(1, 19541704), (2, 9770852), (4, 4885426), (7, 2791672), (8, 2442713), (13, 1503208), (14, 1395836), (17, 1149512), (26, 751604), (28, 697918), (34, 574756), (52, 375802), (56, 348959), (68, 287378), (91, 214744), (104, 187901), (119, 164216), (136, 143689), (182, 107372), (221, 88424), (238, 82108), (364, 53686), (442, 44212), (476, 41054), (728, 26843), (884, 22106), (952, 20527), (1547, 12632), (1579, 12376), (1768, 11053), (3094, 6316), (3158, 6188)]