19398080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4663}}^1$

素因数の和:4693

約数の個数: 56

約数和(自身を含む): 49755552

約数和(自身を除く): 30357472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4663, 9326, 18652, 23315, 37304, 46630, 60619, 74608, 93260, 121238, 149216, 186520, 242476, 298432, 303095, 373040, 484952, 606190, 746080, 969904, 1212380, 1492160, 1939808, 2424760, 3879616, 4849520, 9699040, 19398080]

約数ペア:

[(1, 19398080), (2, 9699040), (4, 4849520), (5, 3879616), (8, 2424760), (10, 1939808), (13, 1492160), (16, 1212380), (20, 969904), (26, 746080), (32, 606190), (40, 484952), (52, 373040), (64, 303095), (65, 298432), (80, 242476), (104, 186520), (130, 149216), (160, 121238), (208, 93260), (260, 74608), (320, 60619), (416, 46630), (520, 37304), (832, 23315), (1040, 18652), (2080, 9326), (4160, 4663)]