18410745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 32537088

約数和(自身を除く): 14126343

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 137, 155, 255, 289, 411, 465, 527, 685, 867, 1445, 1581, 2055, 2329, 2635, 4247, 4335, 6987, 7905, 8959, 11645, 12741, 21235, 26877, 34935, 39593, 44795, 63705, 72199, 118779, 134385, 197965, 216597, 360995, 593895, 1082985, 1227383, 3682149, 6136915, 18410745]

約数ペア:

[(1, 18410745), (3, 6136915), (5, 3682149), (15, 1227383), (17, 1082985), (31, 593895), (51, 360995), (85, 216597), (93, 197965), (137, 134385), (155, 118779), (255, 72199), (289, 63705), (411, 44795), (465, 39593), (527, 34935), (685, 26877), (867, 21235), (1445, 12741), (1581, 11645), (2055, 8959), (2329, 7905), (2635, 6987), (4247, 4335)]