18408650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 37330944

約数和(自身を除く): 18922294

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 127, 130, 223, 254, 325, 446, 635, 650, 1115, 1270, 1651, 2230, 2899, 3175, 3302, 5575, 5798, 6350, 8255, 11150, 14495, 16510, 28321, 28990, 41275, 56642, 72475, 82550, 141605, 144950, 283210, 368173, 708025, 736346, 1416050, 1840865, 3681730, 9204325, 18408650]

約数ペア:

[(1, 18408650), (2, 9204325), (5, 3681730), (10, 1840865), (13, 1416050), (25, 736346), (26, 708025), (50, 368173), (65, 283210), (127, 144950), (130, 141605), (223, 82550), (254, 72475), (325, 56642), (446, 41275), (635, 28990), (650, 28321), (1115, 16510), (1270, 14495), (1651, 11150), (2230, 8255), (2899, 6350), (3175, 5798), (3302, 5575)]