19842880

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1051}}^1$

素因数の和:1127

約数の個数: 56

約数和(自身を含む): 48097440

約数和(自身を除く): 28254560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1051, 1180, 1888, 2102, 2360, 3776, 4204, 4720, 5255, 8408, 9440, 10510, 16816, 18880, 21020, 33632, 42040, 62009, 67264, 84080, 124018, 168160, 248036, 310045, 336320, 496072, 620090, 992144, 1240180, 1984288, 2480360, 3968576, 4960720, 9921440, 19842880]

約数ペア:

[(1, 19842880), (2, 9921440), (4, 4960720), (5, 3968576), (8, 2480360), (10, 1984288), (16, 1240180), (20, 992144), (32, 620090), (40, 496072), (59, 336320), (64, 310045), (80, 248036), (118, 168160), (160, 124018), (236, 84080), (295, 67264), (320, 62009), (472, 42040), (590, 33632), (944, 21020), (1051, 18880), (1180, 16816), (1888, 10510), (2102, 9440), (2360, 8408), (3776, 5255), (4204, 4720)]