18211960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35023}}^1$

素因数の和:35047

約数の個数: 32

約数和(自身を含む): 44130240

約数和(自身を除く): 25918280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35023, 70046, 140092, 175115, 280184, 350230, 455299, 700460, 910598, 1400920, 1821196, 2276495, 3642392, 4552990, 9105980, 18211960]

約数ペア:

[(1, 18211960), (2, 9105980), (4, 4552990), (5, 3642392), (8, 2276495), (10, 1821196), (13, 1400920), (20, 910598), (26, 700460), (40, 455299), (52, 350230), (65, 280184), (104, 175115), (130, 140092), (260, 70046), (520, 35023)]