15489978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 39398400

約数和(自身を除く): 23908422

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 49, 57, 59, 94, 98, 114, 118, 133, 141, 147, 177, 266, 282, 294, 329, 354, 399, 413, 658, 798, 826, 893, 931, 987, 1121, 1239, 1786, 1862, 1974, 2242, 2303, 2478, 2679, 2773, 2793, 2891, 3363, 4606, 5358, 5546, 5586, 5782, 6251, 6726, 6909, 7847, 8319, 8673, 12502, 13818, 15694, 16638, 17346, 18753, 19411, 23541, 37506, 38822, 43757, 47082, 52687, 54929, 58233, 87514, 105374, 109858, 116466, 131271, 135877, 158061, 164787, 262542, 271754, 316122, 329574, 368809, 407631, 737618, 815262, 1106427, 2212854, 2581663, 5163326, 7744989, 15489978]

約数ペア:

[(1, 15489978), (2, 7744989), (3, 5163326), (6, 2581663), (7, 2212854), (14, 1106427), (19, 815262), (21, 737618), (38, 407631), (42, 368809), (47, 329574), (49, 316122), (57, 271754), (59, 262542), (94, 164787), (98, 158061), (114, 135877), (118, 131271), (133, 116466), (141, 109858), (147, 105374), (177, 87514), (266, 58233), (282, 54929), (294, 52687), (329, 47082), (354, 43757), (399, 38822), (413, 37506), (658, 23541), (798, 19411), (826, 18753), (893, 17346), (931, 16638), (987, 15694), (1121, 13818), (1239, 12502), (1786, 8673), (1862, 8319), (1974, 7847), (2242, 6909), (2303, 6726), (2478, 6251), (2679, 5782), (2773, 5586), (2793, 5546), (2891, 5358), (3363, 4606)]