15723032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 34188000

約数和(自身を除く): 18464968

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 73, 76, 104, 109, 146, 152, 218, 247, 292, 436, 494, 584, 872, 949, 988, 1387, 1417, 1898, 1976, 2071, 2774, 2834, 3796, 4142, 5548, 5668, 7592, 7957, 8284, 11096, 11336, 15914, 16568, 18031, 26923, 31828, 36062, 53846, 63656, 72124, 103441, 107692, 144248, 151183, 206882, 215384, 302366, 413764, 604732, 827528, 1209464, 1965379, 3930758, 7861516, 15723032]

約数ペア:

[(1, 15723032), (2, 7861516), (4, 3930758), (8, 1965379), (13, 1209464), (19, 827528), (26, 604732), (38, 413764), (52, 302366), (73, 215384), (76, 206882), (104, 151183), (109, 144248), (146, 107692), (152, 103441), (218, 72124), (247, 63656), (292, 53846), (436, 36062), (494, 31828), (584, 26923), (872, 18031), (949, 16568), (988, 15914), (1387, 11336), (1417, 11096), (1898, 8284), (1976, 7957), (2071, 7592), (2774, 5668), (2834, 5548), (3796, 4142)]