17940390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 46823616

約数和(自身を除く): 28883226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 293, 314, 390, 471, 586, 785, 879, 942, 1465, 1570, 1758, 2041, 2355, 2930, 3809, 4082, 4395, 4710, 6123, 7618, 8790, 10205, 11427, 12246, 19045, 20410, 22854, 30615, 38090, 46001, 57135, 61230, 92002, 114270, 138003, 230005, 276006, 460010, 598013, 690015, 1196026, 1380030, 1794039, 2990065, 3588078, 5980130, 8970195, 17940390]

約数ペア:

[(1, 17940390), (2, 8970195), (3, 5980130), (5, 3588078), (6, 2990065), (10, 1794039), (13, 1380030), (15, 1196026), (26, 690015), (30, 598013), (39, 460010), (65, 276006), (78, 230005), (130, 138003), (157, 114270), (195, 92002), (293, 61230), (314, 57135), (390, 46001), (471, 38090), (586, 30615), (785, 22854), (879, 20410), (942, 19045), (1465, 12246), (1570, 11427), (1758, 10205), (2041, 8790), (2355, 7618), (2930, 6123), (3809, 4710), (4082, 4395)]