18948228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5281}}^1$

素因数の和:5324

約数の個数: 48

約数和(自身を含む): 49693056

約数和(自身を除く): 30744828

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5281, 10562, 15843, 21124, 31686, 63372, 68653, 121463, 137306, 205959, 242926, 274612, 364389, 411918, 485852, 728778, 823836, 1457556, 1579019, 3158038, 4737057, 6316076, 9474114, 18948228]

約数ペア:

[(1, 18948228), (2, 9474114), (3, 6316076), (4, 4737057), (6, 3158038), (12, 1579019), (13, 1457556), (23, 823836), (26, 728778), (39, 485852), (46, 411918), (52, 364389), (69, 274612), (78, 242926), (92, 205959), (138, 137306), (156, 121463), (276, 68653), (299, 63372), (598, 31686), (897, 21124), (1196, 15843), (1794, 10562), (3588, 5281)]