18670845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 32713920

約数和(自身を除く): 14043075

約数列:

[1, 3, 5, 15, 17, 51, 59, 73, 85, 177, 219, 255, 289, 295, 365, 867, 885, 1003, 1095, 1241, 1445, 3009, 3723, 4307, 4335, 5015, 6205, 12921, 15045, 17051, 18615, 21097, 21535, 51153, 63291, 64605, 73219, 85255, 105485, 219657, 255765, 316455, 366095, 1098285, 1244723, 3734169, 6223615, 18670845]

約数ペア:

[(1, 18670845), (3, 6223615), (5, 3734169), (15, 1244723), (17, 1098285), (51, 366095), (59, 316455), (73, 255765), (85, 219657), (177, 105485), (219, 85255), (255, 73219), (289, 64605), (295, 63291), (365, 51153), (867, 21535), (885, 21097), (1003, 18615), (1095, 17051), (1241, 15045), (1445, 12921), (3009, 6205), (3723, 5015), (4307, 4335)]