19185280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 28208000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 967, 992, 1240, 1934, 1984, 2480, 3868, 3968, 4835, 4960, 7736, 9670, 9920, 15472, 19340, 19840, 29977, 30944, 38680, 59954, 61888, 77360, 119908, 123776, 149885, 154720, 239816, 299770, 309440, 479632, 599540, 618880, 959264, 1199080, 1918528, 2398160, 3837056, 4796320, 9592640, 19185280]

約数ペア:

[(1, 19185280), (2, 9592640), (4, 4796320), (5, 3837056), (8, 2398160), (10, 1918528), (16, 1199080), (20, 959264), (31, 618880), (32, 599540), (40, 479632), (62, 309440), (64, 299770), (80, 239816), (124, 154720), (128, 149885), (155, 123776), (160, 119908), (248, 77360), (310, 61888), (320, 59954), (496, 38680), (620, 30944), (640, 29977), (967, 19840), (992, 19340), (1240, 15472), (1934, 9920), (1984, 9670), (2480, 7736), (3868, 4960), (3968, 4835)]