19477444

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 43323840

約数和(自身を除く): 23846396

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 83, 116, 119, 166, 203, 238, 289, 332, 406, 476, 493, 578, 581, 812, 986, 1156, 1162, 1411, 1972, 2023, 2324, 2407, 2822, 3451, 4046, 4814, 5644, 6902, 8092, 8381, 9628, 9877, 13804, 16762, 16849, 19754, 23987, 33524, 33698, 39508, 40919, 47974, 58667, 67396, 81838, 95948, 117334, 163676, 167909, 234668, 286433, 335818, 572866, 671636, 695623, 1145732, 1391246, 2782492, 4869361, 9738722, 19477444]

約数ペア:

[(1, 19477444), (2, 9738722), (4, 4869361), (7, 2782492), (14, 1391246), (17, 1145732), (28, 695623), (29, 671636), (34, 572866), (58, 335818), (68, 286433), (83, 234668), (116, 167909), (119, 163676), (166, 117334), (203, 95948), (238, 81838), (289, 67396), (332, 58667), (406, 47974), (476, 40919), (493, 39508), (578, 33698), (581, 33524), (812, 23987), (986, 19754), (1156, 16849), (1162, 16762), (1411, 13804), (1972, 9877), (2023, 9628), (2324, 8381), (2407, 8092), (2822, 6902), (3451, 5644), (4046, 4814)]