18659830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8599}}^1$

素因数の和:8644

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 20968970

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8599, 17198, 42995, 60193, 85990, 120386, 266569, 300965, 533138, 601930, 1332845, 1865983, 2665690, 3731966, 9329915, 18659830]

約数ペア:

[(1, 18659830), (2, 9329915), (5, 3731966), (7, 2665690), (10, 1865983), (14, 1332845), (31, 601930), (35, 533138), (62, 300965), (70, 266569), (155, 120386), (217, 85990), (310, 60193), (434, 42995), (1085, 17198), (2170, 8599)]