15618928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 33150656

約数和(自身を除く): 17531728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1231, 1586, 2462, 3172, 4924, 6344, 9848, 12688, 16003, 19696, 32006, 64012, 75091, 128024, 150182, 256048, 300364, 600728, 976183, 1201456, 1952366, 3904732, 7809464, 15618928]

約数ペア:

[(1, 15618928), (2, 7809464), (4, 3904732), (8, 1952366), (13, 1201456), (16, 976183), (26, 600728), (52, 300364), (61, 256048), (104, 150182), (122, 128024), (208, 75091), (244, 64012), (488, 32006), (793, 19696), (976, 16003), (1231, 12688), (1586, 9848), (2462, 6344), (3172, 4924)]