18347550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^2$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 49512456

約数和(自身を除く): 31164906

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 97, 130, 150, 194, 195, 291, 325, 390, 485, 582, 650, 970, 975, 1261, 1455, 1950, 2425, 2522, 2910, 3783, 4850, 6305, 7275, 7566, 9409, 12610, 14550, 18818, 18915, 28227, 31525, 37830, 47045, 56454, 63050, 94090, 94575, 122317, 141135, 189150, 235225, 244634, 282270, 366951, 470450, 611585, 705675, 733902, 1223170, 1411350, 1834755, 3057925, 3669510, 6115850, 9173775, 18347550]

約数ペア:

[(1, 18347550), (2, 9173775), (3, 6115850), (5, 3669510), (6, 3057925), (10, 1834755), (13, 1411350), (15, 1223170), (25, 733902), (26, 705675), (30, 611585), (39, 470450), (50, 366951), (65, 282270), (75, 244634), (78, 235225), (97, 189150), (130, 141135), (150, 122317), (194, 94575), (195, 94090), (291, 63050), (325, 56454), (390, 47045), (485, 37830), (582, 31525), (650, 28227), (970, 18915), (975, 18818), (1261, 14550), (1455, 12610), (1950, 9409), (2425, 7566), (2522, 7275), (2910, 6305), (3783, 4850)]