19966806

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2837}}^1$

素因数の和:2885

約数の個数: 48

約数和(自身を含む): 47814624

約数和(自身を除く): 27847818

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 102, 138, 153, 207, 306, 391, 414, 782, 1173, 2346, 2837, 3519, 5674, 7038, 8511, 17022, 25533, 48229, 51066, 65251, 96458, 130502, 144687, 195753, 289374, 391506, 434061, 587259, 868122, 1109267, 1174518, 2218534, 3327801, 6655602, 9983403, 19966806]

約数ペア:

[(1, 19966806), (2, 9983403), (3, 6655602), (6, 3327801), (9, 2218534), (17, 1174518), (18, 1109267), (23, 868122), (34, 587259), (46, 434061), (51, 391506), (69, 289374), (102, 195753), (138, 144687), (153, 130502), (207, 96458), (306, 65251), (391, 51066), (414, 48229), (782, 25533), (1173, 17022), (2346, 8511), (2837, 7038), (3519, 5674)]