19169948

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 42911232

約数和(自身を除く): 23741284

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 103, 119, 161, 206, 238, 289, 322, 391, 412, 476, 578, 644, 721, 782, 1156, 1442, 1564, 1751, 2023, 2369, 2737, 2884, 3502, 4046, 4738, 5474, 6647, 7004, 8092, 9476, 10948, 12257, 13294, 16583, 24514, 26588, 29767, 33166, 40273, 46529, 49028, 59534, 66332, 80546, 93058, 119068, 161092, 186116, 208369, 281911, 416738, 563822, 684641, 833476, 1127644, 1369282, 2738564, 4792487, 9584974, 19169948]

約数ペア:

[(1, 19169948), (2, 9584974), (4, 4792487), (7, 2738564), (14, 1369282), (17, 1127644), (23, 833476), (28, 684641), (34, 563822), (46, 416738), (68, 281911), (92, 208369), (103, 186116), (119, 161092), (161, 119068), (206, 93058), (238, 80546), (289, 66332), (322, 59534), (391, 49028), (412, 46529), (476, 40273), (578, 33166), (644, 29767), (721, 26588), (782, 24514), (1156, 16583), (1442, 13294), (1564, 12257), (1751, 10948), (2023, 9476), (2369, 8092), (2737, 7004), (2884, 6647), (3502, 5474), (4046, 4738)]