19542692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 37814868

約数和(自身を除く): 18272176

約数列:

[1, 2, 4, 13, 26, 52, 61, 101, 122, 202, 244, 404, 793, 1313, 1586, 2626, 3172, 3721, 5252, 6161, 7442, 12322, 14884, 24644, 48373, 80093, 96746, 160186, 193492, 320372, 375821, 751642, 1503284, 4885673, 9771346, 19542692]

約数ペア:

[(1, 19542692), (2, 9771346), (4, 4885673), (13, 1503284), (26, 751642), (52, 375821), (61, 320372), (101, 193492), (122, 160186), (202, 96746), (244, 80093), (404, 48373), (793, 24644), (1313, 14884), (1586, 12322), (2626, 7442), (3172, 6161), (3721, 5252)]