18739572

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 46717440

約数和(自身を除く): 27977868

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1579, 1978, 2967, 3158, 3956, 4737, 5934, 6316, 9474, 11868, 18948, 36317, 67897, 72634, 108951, 135794, 145268, 203691, 217902, 271588, 407382, 435804, 814764, 1561631, 3123262, 4684893, 6246524, 9369786, 18739572]

約数ペア:

[(1, 18739572), (2, 9369786), (3, 6246524), (4, 4684893), (6, 3123262), (12, 1561631), (23, 814764), (43, 435804), (46, 407382), (69, 271588), (86, 217902), (92, 203691), (129, 145268), (138, 135794), (172, 108951), (258, 72634), (276, 67897), (516, 36317), (989, 18948), (1579, 11868), (1978, 9474), (2967, 6316), (3158, 5934), (3956, 4737)]