19959240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23761}}^1$

素因数の和:23782

約数の個数: 64

約数和(自身を含む): 68434560

約数和(自身を除く): 48475320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23761, 47522, 71283, 95044, 118805, 142566, 166327, 190088, 237610, 285132, 332654, 356415, 475220, 498981, 570264, 665308, 712830, 831635, 950440, 997962, 1330616, 1425660, 1663270, 1995924, 2494905, 2851320, 3326540, 3991848, 4989810, 6653080, 9979620, 19959240]

約数ペア:

[(1, 19959240), (2, 9979620), (3, 6653080), (4, 4989810), (5, 3991848), (6, 3326540), (7, 2851320), (8, 2494905), (10, 1995924), (12, 1663270), (14, 1425660), (15, 1330616), (20, 997962), (21, 950440), (24, 831635), (28, 712830), (30, 665308), (35, 570264), (40, 498981), (42, 475220), (56, 356415), (60, 332654), (70, 285132), (84, 237610), (105, 190088), (120, 166327), (140, 142566), (168, 118805), (210, 95044), (280, 71283), (420, 47522), (840, 23761)]