19339880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 53049600

約数和(自身を除く): 33709720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 239, 280, 289, 340, 476, 478, 578, 595, 680, 952, 956, 1156, 1190, 1195, 1445, 1673, 1912, 2023, 2312, 2380, 2390, 2890, 3346, 4046, 4063, 4760, 4780, 5780, 6692, 8092, 8126, 8365, 9560, 10115, 11560, 13384, 16184, 16252, 16730, 20230, 20315, 28441, 32504, 33460, 40460, 40630, 56882, 66920, 69071, 80920, 81260, 113764, 138142, 142205, 162520, 227528, 276284, 284410, 345355, 483497, 552568, 568820, 690710, 966994, 1137640, 1381420, 1933988, 2417485, 2762840, 3867976, 4834970, 9669940, 19339880]

約数ペア:

[(1, 19339880), (2, 9669940), (4, 4834970), (5, 3867976), (7, 2762840), (8, 2417485), (10, 1933988), (14, 1381420), (17, 1137640), (20, 966994), (28, 690710), (34, 568820), (35, 552568), (40, 483497), (56, 345355), (68, 284410), (70, 276284), (85, 227528), (119, 162520), (136, 142205), (140, 138142), (170, 113764), (238, 81260), (239, 80920), (280, 69071), (289, 66920), (340, 56882), (476, 40630), (478, 40460), (578, 33460), (595, 32504), (680, 28441), (952, 20315), (956, 20230), (1156, 16730), (1190, 16252), (1195, 16184), (1445, 13384), (1673, 11560), (1912, 10115), (2023, 9560), (2312, 8365), (2380, 8126), (2390, 8092), (2890, 6692), (3346, 5780), (4046, 4780), (4063, 4760)]