18218996895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{4271}}^1$

素因数の和:4644

約数の個数: 64

約数和(自身を含む): 32244645888

約数和(自身を除く): 14025648993

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 251, 309, 515, 753, 1133, 1255, 1545, 2761, 3399, 3765, 4271, 5665, 8283, 12813, 13805, 16995, 21355, 25853, 41415, 46981, 64065, 77559, 129265, 140943, 234905, 284383, 387795, 439913, 704715, 853149, 1072021, 1319739, 1421915, 2199565, 3216063, 4265745, 4839043, 5360105, 6598695, 11792231, 14517129, 16080315, 24195215, 35376693, 58961155, 72585645, 110418163, 176883465, 331254489, 552090815, 1214599793, 1656272445, 3643799379, 6072998965, 18218996895]

約数ペア:

[(1, 18218996895), (3, 6072998965), (5, 3643799379), (11, 1656272445), (15, 1214599793), (33, 552090815), (55, 331254489), (103, 176883465), (165, 110418163), (251, 72585645), (309, 58961155), (515, 35376693), (753, 24195215), (1133, 16080315), (1255, 14517129), (1545, 11792231), (2761, 6598695), (3399, 5360105), (3765, 4839043), (4271, 4265745), (5665, 3216063), (8283, 2199565), (12813, 1421915), (13805, 1319739), (16995, 1072021), (21355, 853149), (25853, 704715), (41415, 439913), (46981, 387795), (64065, 284383), (77559, 234905), (129265, 140943)]