1809860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6983

約数の個数: 24

約数和(自身を含む): 4093656

約数和(自身を除く): 2283796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6961, 13922, 27844, 34805, 69610, 90493, 139220, 180986, 361972, 452465, 904930, 1809860]

約数ペア:

[(1, 1809860), (2, 904930), (4, 452465), (5, 361972), (10, 180986), (13, 139220), (20, 90493), (26, 69610), (52, 34805), (65, 27844), (130, 13922), (260, 6961)]