18909150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9697}}^1$

素因数の和:9725

約数の個数: 48

約数和(自身を含む): 50507184

約数和(自身を除く): 31598034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 9697, 19394, 29091, 48485, 58182, 96970, 126061, 145455, 242425, 252122, 290910, 378183, 484850, 630305, 727275, 756366, 1260610, 1454550, 1890915, 3151525, 3781830, 6303050, 9454575, 18909150]

約数ペア:

[(1, 18909150), (2, 9454575), (3, 6303050), (5, 3781830), (6, 3151525), (10, 1890915), (13, 1454550), (15, 1260610), (25, 756366), (26, 727275), (30, 630305), (39, 484850), (50, 378183), (65, 290910), (75, 252122), (78, 242425), (130, 145455), (150, 126061), (195, 96970), (325, 58182), (390, 48485), (650, 29091), (975, 19394), (1950, 9697)]