19465204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 40170816

約数和(自身を除く): 20705612

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 53, 68, 106, 187, 212, 374, 491, 583, 748, 901, 982, 1166, 1802, 1964, 2332, 3604, 5401, 8347, 9911, 10802, 16694, 19822, 21604, 26023, 33388, 39644, 52046, 91817, 104092, 183634, 286253, 367268, 442391, 572506, 884782, 1145012, 1769564, 4866301, 9732602, 19465204]

約数ペア:

[(1, 19465204), (2, 9732602), (4, 4866301), (11, 1769564), (17, 1145012), (22, 884782), (34, 572506), (44, 442391), (53, 367268), (68, 286253), (106, 183634), (187, 104092), (212, 91817), (374, 52046), (491, 39644), (583, 33388), (748, 26023), (901, 21604), (982, 19822), (1166, 16694), (1802, 10802), (1964, 9911), (2332, 8347), (3604, 5401)]