18599380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 22204460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 229, 262, 310, 458, 524, 620, 655, 916, 1145, 1310, 2290, 2620, 4061, 4580, 7099, 8122, 14198, 16244, 20305, 28396, 29999, 35495, 40610, 59998, 70990, 81220, 119996, 141980, 149995, 299990, 599980, 929969, 1859938, 3719876, 4649845, 9299690, 18599380]

約数ペア:

[(1, 18599380), (2, 9299690), (4, 4649845), (5, 3719876), (10, 1859938), (20, 929969), (31, 599980), (62, 299990), (124, 149995), (131, 141980), (155, 119996), (229, 81220), (262, 70990), (310, 59998), (458, 40610), (524, 35495), (620, 29999), (655, 28396), (916, 20305), (1145, 16244), (1310, 14198), (2290, 8122), (2620, 7099), (4061, 4580)]