19786130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1323

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26662510

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, 1279, 1547, 2210, 2558, 3094, 6395, 7735, 8953, 12790, 15470, 16627, 17906, 21743, 33254, 43486, 44765, 83135, 89530, 108715, 116389, 152201, 166270, 217430, 232778, 282659, 304402, 565318, 581945, 761005, 1163890, 1413295, 1522010, 1978613, 2826590, 3957226, 9893065, 19786130]

約数ペア:

[(1, 19786130), (2, 9893065), (5, 3957226), (7, 2826590), (10, 1978613), (13, 1522010), (14, 1413295), (17, 1163890), (26, 761005), (34, 581945), (35, 565318), (65, 304402), (70, 282659), (85, 232778), (91, 217430), (119, 166270), (130, 152201), (170, 116389), (182, 108715), (221, 89530), (238, 83135), (442, 44765), (455, 43486), (595, 33254), (910, 21743), (1105, 17906), (1190, 16627), (1279, 15470), (1547, 12790), (2210, 8953), (2558, 7735), (3094, 6395)]