19782864

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 58805760

約数和(自身を除く): 39022896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 47, 48, 72, 74, 79, 94, 111, 141, 144, 148, 158, 188, 222, 237, 282, 296, 316, 333, 376, 423, 444, 474, 564, 592, 632, 666, 711, 752, 846, 888, 948, 1128, 1264, 1332, 1422, 1692, 1739, 1776, 1896, 2256, 2664, 2844, 2923, 3384, 3478, 3713, 3792, 5217, 5328, 5688, 5846, 6768, 6956, 7426, 8769, 10434, 11139, 11376, 11692, 13912, 14852, 15651, 17538, 20868, 22278, 23384, 26307, 27824, 29704, 31302, 33417, 35076, 41736, 44556, 46768, 52614, 59408, 62604, 66834, 70152, 83472, 89112, 105228, 125208, 133668, 137381, 140304, 178224, 210456, 250416, 267336, 274762, 412143, 420912, 534672, 549524, 824286, 1099048, 1236429, 1648572, 2198096, 2472858, 3297144, 4945716, 6594288, 9891432, 19782864]

約数ペア:

[(1, 19782864), (2, 9891432), (3, 6594288), (4, 4945716), (6, 3297144), (8, 2472858), (9, 2198096), (12, 1648572), (16, 1236429), (18, 1099048), (24, 824286), (36, 549524), (37, 534672), (47, 420912), (48, 412143), (72, 274762), (74, 267336), (79, 250416), (94, 210456), (111, 178224), (141, 140304), (144, 137381), (148, 133668), (158, 125208), (188, 105228), (222, 89112), (237, 83472), (282, 70152), (296, 66834), (316, 62604), (333, 59408), (376, 52614), (423, 46768), (444, 44556), (474, 41736), (564, 35076), (592, 33417), (632, 31302), (666, 29704), (711, 27824), (752, 26307), (846, 23384), (888, 22278), (948, 20868), (1128, 17538), (1264, 15651), (1332, 14852), (1422, 13912), (1692, 11692), (1739, 11376), (1776, 11139), (1896, 10434), (2256, 8769), (2664, 7426), (2844, 6956), (2923, 6768), (3384, 5846), (3478, 5688), (3713, 5328), (3792, 5217)]