19911012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36698268

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 102, 114, 132, 187, 204, 209, 228, 323, 374, 418, 467, 561, 627, 646, 748, 836, 934, 969, 1122, 1254, 1292, 1401, 1868, 1938, 2244, 2508, 2802, 3553, 3876, 5137, 5604, 7106, 7939, 8873, 10274, 10659, 14212, 15411, 15878, 17746, 20548, 21318, 23817, 26619, 30822, 31756, 35492, 42636, 47634, 53238, 61644, 87329, 95268, 97603, 106476, 150841, 174658, 195206, 261987, 292809, 301682, 349316, 390412, 452523, 523974, 585618, 603364, 905046, 1047948, 1171236, 1659251, 1810092, 3318502, 4977753, 6637004, 9955506, 19911012]

約数ペア:

[(1, 19911012), (2, 9955506), (3, 6637004), (4, 4977753), (6, 3318502), (11, 1810092), (12, 1659251), (17, 1171236), (19, 1047948), (22, 905046), (33, 603364), (34, 585618), (38, 523974), (44, 452523), (51, 390412), (57, 349316), (66, 301682), (68, 292809), (76, 261987), (102, 195206), (114, 174658), (132, 150841), (187, 106476), (204, 97603), (209, 95268), (228, 87329), (323, 61644), (374, 53238), (418, 47634), (467, 42636), (561, 35492), (627, 31756), (646, 30822), (748, 26619), (836, 23817), (934, 21318), (969, 20548), (1122, 17746), (1254, 15878), (1292, 15411), (1401, 14212), (1868, 10659), (1938, 10274), (2244, 8873), (2508, 7939), (2802, 7106), (3553, 5604), (3876, 5137)]