18195260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 21219556

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 113, 166, 194, 226, 332, 388, 415, 452, 485, 565, 830, 970, 1130, 1660, 1940, 2260, 8051, 9379, 10961, 16102, 18758, 21922, 32204, 37516, 40255, 43844, 46895, 54805, 80510, 93790, 109610, 161020, 187580, 219220, 909763, 1819526, 3639052, 4548815, 9097630, 18195260]

約数ペア:

[(1, 18195260), (2, 9097630), (4, 4548815), (5, 3639052), (10, 1819526), (20, 909763), (83, 219220), (97, 187580), (113, 161020), (166, 109610), (194, 93790), (226, 80510), (332, 54805), (388, 46895), (415, 43844), (452, 40255), (485, 37516), (565, 32204), (830, 21922), (970, 18758), (1130, 16102), (1660, 10961), (1940, 9379), (2260, 8051)]