18870630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 28573338

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 103, 155, 186, 197, 206, 309, 310, 394, 465, 515, 591, 618, 930, 985, 1030, 1182, 1545, 1970, 2955, 3090, 3193, 5910, 6107, 6386, 9579, 12214, 15965, 18321, 19158, 20291, 30535, 31930, 36642, 40582, 47895, 60873, 61070, 91605, 95790, 101455, 121746, 183210, 202910, 304365, 608730, 629021, 1258042, 1887063, 3145105, 3774126, 6290210, 9435315, 18870630]

約数ペア:

[(1, 18870630), (2, 9435315), (3, 6290210), (5, 3774126), (6, 3145105), (10, 1887063), (15, 1258042), (30, 629021), (31, 608730), (62, 304365), (93, 202910), (103, 183210), (155, 121746), (186, 101455), (197, 95790), (206, 91605), (309, 61070), (310, 60873), (394, 47895), (465, 40582), (515, 36642), (591, 31930), (618, 30535), (930, 20291), (985, 19158), (1030, 18321), (1182, 15965), (1545, 12214), (1970, 9579), (2955, 6386), (3090, 6107), (3193, 5910)]