18197620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 45964800

約数和(自身を除く): 27767180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 599, 620, 868, 980, 1085, 1198, 1519, 2170, 2396, 2995, 3038, 4193, 4340, 5990, 6076, 7595, 8386, 11980, 15190, 16772, 18569, 20965, 29351, 30380, 37138, 41930, 58702, 74276, 83860, 92845, 117404, 129983, 146755, 185690, 259966, 293510, 371380, 519932, 587020, 649915, 909881, 1299830, 1819762, 2599660, 3639524, 4549405, 9098810, 18197620]

約数ペア:

[(1, 18197620), (2, 9098810), (4, 4549405), (5, 3639524), (7, 2599660), (10, 1819762), (14, 1299830), (20, 909881), (28, 649915), (31, 587020), (35, 519932), (49, 371380), (62, 293510), (70, 259966), (98, 185690), (124, 146755), (140, 129983), (155, 117404), (196, 92845), (217, 83860), (245, 74276), (310, 58702), (434, 41930), (490, 37138), (599, 30380), (620, 29351), (868, 20965), (980, 18569), (1085, 16772), (1198, 15190), (1519, 11980), (2170, 8386), (2396, 7595), (2995, 6076), (3038, 5990), (4193, 4340)]