19123520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4597}}^1$

素因数の和:4627

約数の個数: 56

約数和(自身を含む): 49051464

約数和(自身を除く): 29927944

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, 4597, 9194, 18388, 22985, 36776, 45970, 59761, 73552, 91940, 119522, 147104, 183880, 239044, 294208, 298805, 367760, 478088, 597610, 735520, 956176, 1195220, 1471040, 1912352, 2390440, 3824704, 4780880, 9561760, 19123520]

約数ペア:

[(1, 19123520), (2, 9561760), (4, 4780880), (5, 3824704), (8, 2390440), (10, 1912352), (13, 1471040), (16, 1195220), (20, 956176), (26, 735520), (32, 597610), (40, 478088), (52, 367760), (64, 298805), (65, 294208), (80, 239044), (104, 183880), (130, 147104), (160, 119522), (208, 91940), (260, 73552), (320, 59761), (416, 45970), (520, 36776), (832, 22985), (1040, 18388), (2080, 9194), (4160, 4597)]