19927960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2017}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 50853600

約数和(自身を除く): 30925640

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2017, 2470, 4034, 4940, 8068, 9880, 10085, 16136, 20170, 26221, 38323, 40340, 52442, 76646, 80680, 104884, 131105, 153292, 191615, 209768, 262210, 306584, 383230, 498199, 524420, 766460, 996398, 1048840, 1532920, 1992796, 2490995, 3985592, 4981990, 9963980, 19927960]

約数ペア:

[(1, 19927960), (2, 9963980), (4, 4981990), (5, 3985592), (8, 2490995), (10, 1992796), (13, 1532920), (19, 1048840), (20, 996398), (26, 766460), (38, 524420), (40, 498199), (52, 383230), (65, 306584), (76, 262210), (95, 209768), (104, 191615), (130, 153292), (152, 131105), (190, 104884), (247, 80680), (260, 76646), (380, 52442), (494, 40340), (520, 38323), (760, 26221), (988, 20170), (1235, 16136), (1976, 10085), (2017, 9880), (2470, 8068), (4034, 4940)]