19795655260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{44623}}^1$

素因数の和:45214

約数の個数: 48

約数和(自身を含む): 42664470912

約数和(自身を除く): 22868815652

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 541, 820, 1082, 2164, 2705, 5410, 10820, 22181, 44362, 44623, 88724, 89246, 110905, 178492, 221810, 223115, 443620, 446230, 892460, 1829543, 3659086, 7318172, 9147715, 18295430, 24141043, 36590860, 48282086, 96564172, 120705215, 241410430, 482820860, 989782763, 1979565526, 3959131052, 4948913815, 9897827630, 19795655260]

約数ペア:

[(1, 19795655260), (2, 9897827630), (4, 4948913815), (5, 3959131052), (10, 1979565526), (20, 989782763), (41, 482820860), (82, 241410430), (164, 120705215), (205, 96564172), (410, 48282086), (541, 36590860), (820, 24141043), (1082, 18295430), (2164, 9147715), (2705, 7318172), (5410, 3659086), (10820, 1829543), (22181, 892460), (44362, 446230), (44623, 443620), (88724, 223115), (89246, 221810), (110905, 178492)]