18156736

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 39329360

約数和(自身を除く): 21172624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 139, 157, 208, 278, 314, 416, 556, 628, 832, 1112, 1256, 1807, 2041, 2224, 2512, 3614, 4082, 4448, 5024, 7228, 8164, 8896, 10048, 14456, 16328, 21823, 28912, 32656, 43646, 57824, 65312, 87292, 115648, 130624, 174584, 283699, 349168, 567398, 698336, 1134796, 1396672, 2269592, 4539184, 9078368, 18156736]

約数ペア:

[(1, 18156736), (2, 9078368), (4, 4539184), (8, 2269592), (13, 1396672), (16, 1134796), (26, 698336), (32, 567398), (52, 349168), (64, 283699), (104, 174584), (139, 130624), (157, 115648), (208, 87292), (278, 65312), (314, 57824), (416, 43646), (556, 32656), (628, 28912), (832, 21823), (1112, 16328), (1256, 14456), (1807, 10048), (2041, 8896), (2224, 8164), (2512, 7228), (3614, 5024), (4082, 4448)]