19418568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 52852800

約数和(自身を除く): 33434232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 571, 654, 872, 1142, 1308, 1417, 1713, 2284, 2616, 2834, 3426, 4251, 4568, 5668, 6852, 7423, 8502, 11336, 13704, 14846, 17004, 22269, 29692, 34008, 44538, 59384, 62239, 89076, 124478, 178152, 186717, 248956, 373434, 497912, 746868, 809107, 1493736, 1618214, 2427321, 3236428, 4854642, 6472856, 9709284, 19418568]

約数ペア:

[(1, 19418568), (2, 9709284), (3, 6472856), (4, 4854642), (6, 3236428), (8, 2427321), (12, 1618214), (13, 1493736), (24, 809107), (26, 746868), (39, 497912), (52, 373434), (78, 248956), (104, 186717), (109, 178152), (156, 124478), (218, 89076), (312, 62239), (327, 59384), (436, 44538), (571, 34008), (654, 29692), (872, 22269), (1142, 17004), (1308, 14846), (1417, 13704), (1713, 11336), (2284, 8502), (2616, 7423), (2834, 6852), (3426, 5668), (4251, 4568)]