19919376

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 60353280

約数和(自身を除く): 40433904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 79, 102, 103, 136, 144, 153, 158, 204, 206, 237, 272, 306, 309, 316, 408, 412, 474, 612, 618, 632, 711, 816, 824, 927, 948, 1224, 1236, 1264, 1343, 1422, 1648, 1751, 1854, 1896, 2448, 2472, 2686, 2844, 3502, 3708, 3792, 4029, 4944, 5253, 5372, 5688, 7004, 7416, 8058, 8137, 10506, 10744, 11376, 12087, 14008, 14832, 15759, 16116, 16274, 21012, 21488, 24174, 24411, 28016, 31518, 32232, 32548, 42024, 48348, 48822, 63036, 64464, 65096, 73233, 84048, 96696, 97644, 126072, 130192, 138329, 146466, 193392, 195288, 252144, 276658, 292932, 390576, 414987, 553316, 585864, 829974, 1106632, 1171728, 1244961, 1659948, 2213264, 2489922, 3319896, 4979844, 6639792, 9959688, 19919376]

約数ペア:

[(1, 19919376), (2, 9959688), (3, 6639792), (4, 4979844), (6, 3319896), (8, 2489922), (9, 2213264), (12, 1659948), (16, 1244961), (17, 1171728), (18, 1106632), (24, 829974), (34, 585864), (36, 553316), (48, 414987), (51, 390576), (68, 292932), (72, 276658), (79, 252144), (102, 195288), (103, 193392), (136, 146466), (144, 138329), (153, 130192), (158, 126072), (204, 97644), (206, 96696), (237, 84048), (272, 73233), (306, 65096), (309, 64464), (316, 63036), (408, 48822), (412, 48348), (474, 42024), (612, 32548), (618, 32232), (632, 31518), (711, 28016), (816, 24411), (824, 24174), (927, 21488), (948, 21012), (1224, 16274), (1236, 16116), (1264, 15759), (1343, 14832), (1422, 14008), (1648, 12087), (1751, 11376), (1854, 10744), (1896, 10506), (2448, 8137), (2472, 8058), (2686, 7416), (2844, 7004), (3502, 5688), (3708, 5372), (3792, 5253), (4029, 4944)]