2018011970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{19477}}^1$

素因数の和:20294

約数の個数: 32

約数和(自身を含む): 3916947888

約数和(自身を除く): 1898935918

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 797, 1594, 3985, 7970, 10361, 19477, 20722, 38954, 51805, 97385, 103610, 194770, 253201, 506402, 1266005, 2532010, 15523169, 31046338, 77615845, 155231690, 201801197, 403602394, 1009005985, 2018011970]

約数ペア:

[(1, 2018011970), (2, 1009005985), (5, 403602394), (10, 201801197), (13, 155231690), (26, 77615845), (65, 31046338), (130, 15523169), (797, 2532010), (1594, 1266005), (3985, 506402), (7970, 253201), (10361, 194770), (19477, 103610), (20722, 97385), (38954, 51805)]