19664172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 60383232

約数和(自身を除く): 40719060

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 23, 33, 34, 36, 44, 46, 51, 66, 68, 69, 92, 99, 102, 127, 132, 138, 153, 187, 198, 204, 207, 253, 254, 276, 306, 374, 381, 391, 396, 414, 506, 508, 561, 612, 748, 759, 762, 782, 828, 1012, 1122, 1143, 1173, 1397, 1518, 1524, 1564, 1683, 2159, 2244, 2277, 2286, 2346, 2794, 2921, 3036, 3366, 3519, 4191, 4301, 4318, 4554, 4572, 4692, 5588, 5842, 6477, 6732, 7038, 8382, 8602, 8636, 8763, 9108, 11684, 12573, 12903, 12954, 14076, 16764, 17204, 17526, 19431, 23749, 25146, 25806, 25908, 26289, 32131, 35052, 38709, 38862, 47498, 49657, 50292, 51612, 52578, 64262, 71247, 77418, 77724, 94996, 96393, 99314, 105156, 128524, 142494, 148971, 154836, 192786, 198628, 213741, 284988, 289179, 297942, 385572, 427482, 446913, 546227, 578358, 595884, 854964, 893826, 1092454, 1156716, 1638681, 1787652, 2184908, 3277362, 4916043, 6554724, 9832086, 19664172]

約数ペア:

[(1, 19664172), (2, 9832086), (3, 6554724), (4, 4916043), (6, 3277362), (9, 2184908), (11, 1787652), (12, 1638681), (17, 1156716), (18, 1092454), (22, 893826), (23, 854964), (33, 595884), (34, 578358), (36, 546227), (44, 446913), (46, 427482), (51, 385572), (66, 297942), (68, 289179), (69, 284988), (92, 213741), (99, 198628), (102, 192786), (127, 154836), (132, 148971), (138, 142494), (153, 128524), (187, 105156), (198, 99314), (204, 96393), (207, 94996), (253, 77724), (254, 77418), (276, 71247), (306, 64262), (374, 52578), (381, 51612), (391, 50292), (396, 49657), (414, 47498), (506, 38862), (508, 38709), (561, 35052), (612, 32131), (748, 26289), (759, 25908), (762, 25806), (782, 25146), (828, 23749), (1012, 19431), (1122, 17526), (1143, 17204), (1173, 16764), (1397, 14076), (1518, 12954), (1524, 12903), (1564, 12573), (1683, 11684), (2159, 9108), (2244, 8763), (2277, 8636), (2286, 8602), (2346, 8382), (2794, 7038), (2921, 6732), (3036, 6477), (3366, 5842), (3519, 5588), (4191, 4692), (4301, 4572), (4318, 4554)]