18276050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 37830912

約数和(自身を除く): 19554862

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 907, 1550, 1814, 2015, 4030, 4535, 9070, 10075, 11791, 20150, 22675, 23582, 28117, 45350, 56234, 58955, 117910, 140585, 281170, 294775, 365521, 589550, 702925, 731042, 1405850, 1827605, 3655210, 9138025, 18276050]

約数ペア:

[(1, 18276050), (2, 9138025), (5, 3655210), (10, 1827605), (13, 1405850), (25, 731042), (26, 702925), (31, 589550), (50, 365521), (62, 294775), (65, 281170), (130, 140585), (155, 117910), (310, 58955), (325, 56234), (403, 45350), (650, 28117), (775, 23582), (806, 22675), (907, 20150), (1550, 11791), (1814, 10075), (2015, 9070), (4030, 4535)]