19976904

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 60372000

約数和(自身を除く): 40395096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 34, 36, 38, 51, 57, 68, 72, 76, 102, 114, 136, 152, 153, 171, 204, 228, 306, 323, 342, 408, 456, 612, 646, 684, 859, 969, 1224, 1292, 1368, 1718, 1938, 2577, 2584, 2907, 3436, 3876, 5154, 5814, 6872, 7731, 7752, 10308, 11628, 14603, 15462, 16321, 20616, 23256, 29206, 30924, 32642, 43809, 48963, 58412, 61848, 65284, 87618, 97926, 116824, 130568, 131427, 146889, 175236, 195852, 262854, 277457, 293778, 350472, 391704, 525708, 554914, 587556, 832371, 1051416, 1109828, 1175112, 1664742, 2219656, 2497113, 3329484, 4994226, 6658968, 9988452, 19976904]

約数ペア:

[(1, 19976904), (2, 9988452), (3, 6658968), (4, 4994226), (6, 3329484), (8, 2497113), (9, 2219656), (12, 1664742), (17, 1175112), (18, 1109828), (19, 1051416), (24, 832371), (34, 587556), (36, 554914), (38, 525708), (51, 391704), (57, 350472), (68, 293778), (72, 277457), (76, 262854), (102, 195852), (114, 175236), (136, 146889), (152, 131427), (153, 130568), (171, 116824), (204, 97926), (228, 87618), (306, 65284), (323, 61848), (342, 58412), (408, 48963), (456, 43809), (612, 32642), (646, 30924), (684, 29206), (859, 23256), (969, 20616), (1224, 16321), (1292, 15462), (1368, 14603), (1718, 11628), (1938, 10308), (2577, 7752), (2584, 7731), (2907, 6872), (3436, 5814), (3876, 5154)]