18381512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 20325688

約数列:

[1, 2, 4, 8, 19, 31, 38, 47, 62, 76, 83, 94, 124, 152, 166, 188, 248, 332, 376, 589, 664, 893, 1178, 1457, 1577, 1786, 2356, 2573, 2914, 3154, 3572, 3901, 4712, 5146, 5828, 6308, 7144, 7802, 10292, 11656, 12616, 15604, 20584, 27683, 31208, 48887, 55366, 74119, 97774, 110732, 120931, 148238, 195548, 221464, 241862, 296476, 391096, 483724, 592952, 967448, 2297689, 4595378, 9190756, 18381512]

約数ペア:

[(1, 18381512), (2, 9190756), (4, 4595378), (8, 2297689), (19, 967448), (31, 592952), (38, 483724), (47, 391096), (62, 296476), (76, 241862), (83, 221464), (94, 195548), (124, 148238), (152, 120931), (166, 110732), (188, 97774), (248, 74119), (332, 55366), (376, 48887), (589, 31208), (664, 27683), (893, 20584), (1178, 15604), (1457, 12616), (1577, 11656), (1786, 10292), (2356, 7802), (2573, 7144), (2914, 6308), (3154, 5828), (3572, 5146), (3901, 4712)]