18579470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 43618176

約数和(自身を除く): 25038706

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1201, 1547, 2210, 2402, 3094, 6005, 7735, 8407, 12010, 15470, 15613, 16814, 20417, 31226, 40834, 42035, 78065, 84070, 102085, 109291, 142919, 156130, 204170, 218582, 265421, 285838, 530842, 546455, 714595, 1092910, 1327105, 1429190, 1857947, 2654210, 3715894, 9289735, 18579470]

約数ペア:

[(1, 18579470), (2, 9289735), (5, 3715894), (7, 2654210), (10, 1857947), (13, 1429190), (14, 1327105), (17, 1092910), (26, 714595), (34, 546455), (35, 530842), (65, 285838), (70, 265421), (85, 218582), (91, 204170), (119, 156130), (130, 142919), (170, 109291), (182, 102085), (221, 84070), (238, 78065), (442, 42035), (455, 40834), (595, 31226), (910, 20417), (1105, 16814), (1190, 15613), (1201, 15470), (1547, 12010), (2210, 8407), (2402, 7735), (3094, 6005)]