18568225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 27220480

約数和(自身を除く): 8652255

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 97, 155, 247, 325, 403, 475, 485, 589, 775, 1235, 1261, 1843, 2015, 2425, 2945, 3007, 6175, 6305, 7657, 9215, 10075, 14725, 15035, 23959, 31525, 38285, 39091, 46075, 57133, 75175, 119795, 191425, 195455, 285665, 598975, 742729, 977275, 1428325, 3713645, 18568225]

約数ペア:

[(1, 18568225), (5, 3713645), (13, 1428325), (19, 977275), (25, 742729), (31, 598975), (65, 285665), (95, 195455), (97, 191425), (155, 119795), (247, 75175), (325, 57133), (403, 46075), (475, 39091), (485, 38285), (589, 31525), (775, 23959), (1235, 15035), (1261, 14725), (1843, 10075), (2015, 9215), (2425, 7657), (2945, 6305), (3007, 6175)]