18232340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4248

約数の個数: 48

約数和(自身を含む): 45179904

約数和(自身を除く): 26947564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4201, 4340, 8402, 16804, 21005, 29407, 42010, 58814, 84020, 117628, 130231, 147035, 260462, 294070, 520924, 588140, 651155, 911617, 1302310, 1823234, 2604620, 3646468, 4558085, 9116170, 18232340]

約数ペア:

[(1, 18232340), (2, 9116170), (4, 4558085), (5, 3646468), (7, 2604620), (10, 1823234), (14, 1302310), (20, 911617), (28, 651155), (31, 588140), (35, 520924), (62, 294070), (70, 260462), (124, 147035), (140, 130231), (155, 117628), (217, 84020), (310, 58814), (434, 42010), (620, 29407), (868, 21005), (1085, 16804), (2170, 8402), (4201, 4340)]