19640348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23260132

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 683, 1027, 1106, 1366, 2054, 2212, 2732, 4108, 4781, 7189, 8879, 9562, 14378, 17758, 19124, 28756, 35516, 53957, 62153, 107914, 124306, 215828, 248612, 377699, 701441, 755398, 1402882, 1510796, 2805764, 4910087, 9820174, 19640348]

約数ペア:

[(1, 19640348), (2, 9820174), (4, 4910087), (7, 2805764), (13, 1510796), (14, 1402882), (26, 755398), (28, 701441), (52, 377699), (79, 248612), (91, 215828), (158, 124306), (182, 107914), (316, 62153), (364, 53957), (553, 35516), (683, 28756), (1027, 19124), (1106, 17758), (1366, 14378), (2054, 9562), (2212, 8879), (2732, 7189), (4108, 4781)]