20171502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 49959000

約数和(自身を除く): 29787498

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 169, 171, 234, 247, 338, 342, 349, 494, 507, 698, 741, 1014, 1047, 1482, 1521, 2094, 2223, 3042, 3141, 3211, 4446, 4537, 6282, 6422, 6631, 9074, 9633, 13262, 13611, 19266, 19893, 27222, 28899, 39786, 40833, 57798, 58981, 59679, 81666, 86203, 117962, 119358, 172406, 176943, 258609, 353886, 517218, 530829, 775827, 1061658, 1120639, 1551654, 2241278, 3361917, 6723834, 10085751, 20171502]

約数ペア:

[(1, 20171502), (2, 10085751), (3, 6723834), (6, 3361917), (9, 2241278), (13, 1551654), (18, 1120639), (19, 1061658), (26, 775827), (38, 530829), (39, 517218), (57, 353886), (78, 258609), (114, 176943), (117, 172406), (169, 119358), (171, 117962), (234, 86203), (247, 81666), (338, 59679), (342, 58981), (349, 57798), (494, 40833), (507, 39786), (698, 28899), (741, 27222), (1014, 19893), (1047, 19266), (1482, 13611), (1521, 13262), (2094, 9633), (2223, 9074), (3042, 6631), (3141, 6422), (3211, 6282), (4446, 4537)]