18876650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 38294424

約数和(自身を除く): 19417774

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 257, 325, 514, 565, 650, 1130, 1285, 1469, 2570, 2825, 2938, 3341, 5650, 6425, 6682, 7345, 12850, 14690, 16705, 29041, 33410, 36725, 58082, 73450, 83525, 145205, 167050, 290410, 377533, 726025, 755066, 1452050, 1887665, 3775330, 9438325, 18876650]

約数ペア:

[(1, 18876650), (2, 9438325), (5, 3775330), (10, 1887665), (13, 1452050), (25, 755066), (26, 726025), (50, 377533), (65, 290410), (113, 167050), (130, 145205), (226, 83525), (257, 73450), (325, 58082), (514, 36725), (565, 33410), (650, 29041), (1130, 16705), (1285, 14690), (1469, 12850), (2570, 7345), (2825, 6682), (2938, 6425), (3341, 5650)]