19914888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 43675512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 357, 367, 399, 408, 456, 476, 532, 646, 714, 734, 798, 952, 969, 1064, 1101, 1292, 1428, 1468, 1596, 1938, 2202, 2261, 2569, 2584, 2856, 2936, 3192, 3876, 4404, 4522, 5138, 6239, 6783, 6973, 7707, 7752, 8808, 9044, 10276, 12478, 13566, 13946, 15414, 18088, 18717, 20552, 20919, 24956, 27132, 27892, 30828, 37434, 41838, 43673, 48811, 49912, 54264, 55784, 61656, 74868, 83676, 87346, 97622, 118541, 131019, 146433, 149736, 167352, 174692, 195244, 237082, 262038, 292866, 349384, 355623, 390488, 474164, 524076, 585732, 711246, 829787, 948328, 1048152, 1171464, 1422492, 1659574, 2489361, 2844984, 3319148, 4978722, 6638296, 9957444, 19914888]

約数ペア:

[(1, 19914888), (2, 9957444), (3, 6638296), (4, 4978722), (6, 3319148), (7, 2844984), (8, 2489361), (12, 1659574), (14, 1422492), (17, 1171464), (19, 1048152), (21, 948328), (24, 829787), (28, 711246), (34, 585732), (38, 524076), (42, 474164), (51, 390488), (56, 355623), (57, 349384), (68, 292866), (76, 262038), (84, 237082), (102, 195244), (114, 174692), (119, 167352), (133, 149736), (136, 146433), (152, 131019), (168, 118541), (204, 97622), (228, 87346), (238, 83676), (266, 74868), (323, 61656), (357, 55784), (367, 54264), (399, 49912), (408, 48811), (456, 43673), (476, 41838), (532, 37434), (646, 30828), (714, 27892), (734, 27132), (798, 24956), (952, 20919), (969, 20552), (1064, 18717), (1101, 18088), (1292, 15414), (1428, 13946), (1468, 13566), (1596, 12478), (1938, 10276), (2202, 9044), (2261, 8808), (2569, 7752), (2584, 7707), (2856, 6973), (2936, 6783), (3192, 6239), (3876, 5138), (4404, 4522)]