18399195

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 34482240

約数和(自身を除く): 16083045

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 613, 667, 1035, 1305, 1839, 2001, 3065, 3335, 5517, 6003, 9195, 10005, 14099, 17777, 27585, 30015, 42297, 53331, 70495, 88885, 126891, 159993, 211485, 266655, 408871, 634455, 799965, 1226613, 2044355, 3679839, 6133065, 18399195]

約数ペア:

[(1, 18399195), (3, 6133065), (5, 3679839), (9, 2044355), (15, 1226613), (23, 799965), (29, 634455), (45, 408871), (69, 266655), (87, 211485), (115, 159993), (145, 126891), (207, 88885), (261, 70495), (345, 53331), (435, 42297), (613, 30015), (667, 27585), (1035, 17777), (1305, 14099), (1839, 10005), (2001, 9195), (3065, 6003), (3335, 5517)]