18913856

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:331

約数の個数: 56

約数和(自身を含む): 40965120

約数和(自身を除く): 22051264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 179, 208, 254, 358, 416, 508, 716, 832, 1016, 1432, 1651, 2032, 2327, 2864, 3302, 4064, 4654, 5728, 6604, 8128, 9308, 11456, 13208, 18616, 22733, 26416, 37232, 45466, 52832, 74464, 90932, 105664, 148928, 181864, 295529, 363728, 591058, 727456, 1182116, 1454912, 2364232, 4728464, 9456928, 18913856]

約数ペア:

[(1, 18913856), (2, 9456928), (4, 4728464), (8, 2364232), (13, 1454912), (16, 1182116), (26, 727456), (32, 591058), (52, 363728), (64, 295529), (104, 181864), (127, 148928), (179, 105664), (208, 90932), (254, 74464), (358, 52832), (416, 45466), (508, 37232), (716, 26416), (832, 22733), (1016, 18616), (1432, 13208), (1651, 11456), (2032, 9308), (2327, 8128), (2864, 6604), (3302, 5728), (4064, 4654)]