12618979180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15388999}}^1$

素因数の和:15389049

約数の個数: 24

約数和(自身を含む): 27146196000

約数和(自身を除く): 14527216820

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15388999, 30777998, 61555996, 76944995, 153889990, 307779980, 630948959, 1261897918, 2523795836, 3154744795, 6309489590, 12618979180]

約数ペア:

[(1, 12618979180), (2, 6309489590), (4, 3154744795), (5, 2523795836), (10, 1261897918), (20, 630948959), (41, 307779980), (82, 153889990), (164, 76944995), (205, 61555996), (410, 30777998), (820, 15388999)]