19374560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{419}}^1$

素因数の和:468

約数の個数: 72

約数和(自身を含む): 48739320

約数和(自身を除く): 29364760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 419, 544, 578, 680, 838, 1156, 1360, 1445, 1676, 2095, 2312, 2720, 2890, 3352, 4190, 4624, 5780, 6704, 7123, 8380, 9248, 11560, 13408, 14246, 16760, 23120, 28492, 33520, 35615, 46240, 56984, 67040, 71230, 113968, 121091, 142460, 227936, 242182, 284920, 484364, 569840, 605455, 968728, 1139680, 1210910, 1937456, 2421820, 3874912, 4843640, 9687280, 19374560]

約数ペア:

[(1, 19374560), (2, 9687280), (4, 4843640), (5, 3874912), (8, 2421820), (10, 1937456), (16, 1210910), (17, 1139680), (20, 968728), (32, 605455), (34, 569840), (40, 484364), (68, 284920), (80, 242182), (85, 227936), (136, 142460), (160, 121091), (170, 113968), (272, 71230), (289, 67040), (340, 56984), (419, 46240), (544, 35615), (578, 33520), (680, 28492), (838, 23120), (1156, 16760), (1360, 14246), (1445, 13408), (1676, 11560), (2095, 9248), (2312, 8380), (2720, 7123), (2890, 6704), (3352, 5780), (4190, 4624)]