18648015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 12525105

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 263, 435, 489, 789, 815, 1315, 2445, 3945, 4727, 7627, 14181, 22881, 23635, 38135, 42869, 70905, 114405, 128607, 214345, 643035, 1243201, 3729603, 6216005, 18648015]

約数ペア:

[(1, 18648015), (3, 6216005), (5, 3729603), (15, 1243201), (29, 643035), (87, 214345), (145, 128607), (163, 114405), (263, 70905), (435, 42869), (489, 38135), (789, 23635), (815, 22881), (1315, 14181), (2445, 7627), (3945, 4727)]