19863948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{571}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 50226176

約数和(自身を除く): 30362228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 223, 446, 571, 669, 892, 1142, 1338, 1713, 2284, 2676, 2899, 3426, 5798, 6852, 7423, 8697, 11596, 14846, 17394, 22269, 29692, 34788, 44538, 89076, 127333, 254666, 381999, 509332, 763998, 1527996, 1655329, 3310658, 4965987, 6621316, 9931974, 19863948]

約数ペア:

[(1, 19863948), (2, 9931974), (3, 6621316), (4, 4965987), (6, 3310658), (12, 1655329), (13, 1527996), (26, 763998), (39, 509332), (52, 381999), (78, 254666), (156, 127333), (223, 89076), (446, 44538), (571, 34788), (669, 29692), (892, 22269), (1142, 17394), (1338, 14846), (1713, 11596), (2284, 8697), (2676, 7423), (2899, 6852), (3426, 5798)]