19605522

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 44354304

約数和(自身を除く): 24748782

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 61, 69, 102, 122, 137, 138, 183, 274, 366, 391, 411, 782, 822, 1037, 1173, 1403, 2074, 2329, 2346, 2806, 3111, 3151, 4209, 4658, 6222, 6302, 6987, 8357, 8418, 9453, 13974, 16714, 18906, 23851, 25071, 47702, 50142, 53567, 71553, 107134, 142069, 143106, 160701, 192211, 284138, 321402, 384422, 426207, 576633, 852414, 1153266, 3267587, 6535174, 9802761, 19605522]

約数ペア:

[(1, 19605522), (2, 9802761), (3, 6535174), (6, 3267587), (17, 1153266), (23, 852414), (34, 576633), (46, 426207), (51, 384422), (61, 321402), (69, 284138), (102, 192211), (122, 160701), (137, 143106), (138, 142069), (183, 107134), (274, 71553), (366, 53567), (391, 50142), (411, 47702), (782, 25071), (822, 23851), (1037, 18906), (1173, 16714), (1403, 13974), (2074, 9453), (2329, 8418), (2346, 8357), (2806, 6987), (3111, 6302), (3151, 6222), (4209, 4658)]