18435950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 37403856

約数和(自身を除く): 18967906

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 251, 325, 502, 565, 650, 1130, 1255, 1469, 2510, 2825, 2938, 3263, 5650, 6275, 6526, 7345, 12550, 14690, 16315, 28363, 32630, 36725, 56726, 73450, 81575, 141815, 163150, 283630, 368719, 709075, 737438, 1418150, 1843595, 3687190, 9217975, 18435950]

約数ペア:

[(1, 18435950), (2, 9217975), (5, 3687190), (10, 1843595), (13, 1418150), (25, 737438), (26, 709075), (50, 368719), (65, 283630), (113, 163150), (130, 141815), (226, 81575), (251, 73450), (325, 56726), (502, 36725), (565, 32630), (650, 28363), (1130, 16315), (1255, 14690), (1469, 12550), (2510, 7345), (2825, 6526), (2938, 6275), (3263, 5650)]