19418436520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{779231}}^1$

素因数の和:779338

約数の個数: 64

約数和(自身を含む): 50494233600

約数和(自身を除く): 31075797080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 24920, 779231, 1558462, 3116924, 3896155, 5454617, 6233848, 7792310, 10909234, 15584620, 21818468, 27273085, 31169240, 43636936, 54546170, 69351559, 109092340, 138703118, 218184680, 277406236, 346757795, 485460913, 554812472, 693515590, 970921826, 1387031180, 1941843652, 2427304565, 2774062360, 3883687304, 4854609130, 9709218260, 19418436520]

約数ペア:

[(1, 19418436520), (2, 9709218260), (4, 4854609130), (5, 3883687304), (7, 2774062360), (8, 2427304565), (10, 1941843652), (14, 1387031180), (20, 970921826), (28, 693515590), (35, 554812472), (40, 485460913), (56, 346757795), (70, 277406236), (89, 218184680), (140, 138703118), (178, 109092340), (280, 69351559), (356, 54546170), (445, 43636936), (623, 31169240), (712, 27273085), (890, 21818468), (1246, 15584620), (1780, 10909234), (2492, 7792310), (3115, 6233848), (3560, 5454617), (4984, 3896155), (6230, 3116924), (12460, 1558462), (24920, 779231)]