19948480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 112

約数和(自身を含む): 53218080

約数和(自身を除く): 33269600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 193, 272, 304, 320, 323, 340, 380, 386, 544, 608, 646, 680, 760, 772, 965, 1088, 1216, 1292, 1360, 1520, 1544, 1615, 1930, 2584, 2720, 3040, 3088, 3230, 3281, 3667, 3860, 5168, 5440, 6080, 6176, 6460, 6562, 7334, 7720, 10336, 12352, 12920, 13124, 14668, 15440, 16405, 18335, 20672, 25840, 26248, 29336, 30880, 32810, 36670, 51680, 52496, 58672, 61760, 62339, 65620, 73340, 103360, 104992, 117344, 124678, 131240, 146680, 209984, 234688, 249356, 262480, 293360, 311695, 498712, 524960, 586720, 623390, 997424, 1049920, 1173440, 1246780, 1994848, 2493560, 3989696, 4987120, 9974240, 19948480]

約数ペア:

[(1, 19948480), (2, 9974240), (4, 4987120), (5, 3989696), (8, 2493560), (10, 1994848), (16, 1246780), (17, 1173440), (19, 1049920), (20, 997424), (32, 623390), (34, 586720), (38, 524960), (40, 498712), (64, 311695), (68, 293360), (76, 262480), (80, 249356), (85, 234688), (95, 209984), (136, 146680), (152, 131240), (160, 124678), (170, 117344), (190, 104992), (193, 103360), (272, 73340), (304, 65620), (320, 62339), (323, 61760), (340, 58672), (380, 52496), (386, 51680), (544, 36670), (608, 32810), (646, 30880), (680, 29336), (760, 26248), (772, 25840), (965, 20672), (1088, 18335), (1216, 16405), (1292, 15440), (1360, 14668), (1520, 13124), (1544, 12920), (1615, 12352), (1930, 10336), (2584, 7720), (2720, 7334), (3040, 6562), (3088, 6460), (3230, 6176), (3281, 6080), (3667, 5440), (3860, 5168)]