19710296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 21761704

約数列:

[1, 2, 4, 8, 19, 31, 38, 47, 62, 76, 89, 94, 124, 152, 178, 188, 248, 356, 376, 589, 712, 893, 1178, 1457, 1691, 1786, 2356, 2759, 2914, 3382, 3572, 4183, 4712, 5518, 5828, 6764, 7144, 8366, 11036, 11656, 13528, 16732, 22072, 27683, 33464, 52421, 55366, 79477, 104842, 110732, 129673, 158954, 209684, 221464, 259346, 317908, 419368, 518692, 635816, 1037384, 2463787, 4927574, 9855148, 19710296]

約数ペア:

[(1, 19710296), (2, 9855148), (4, 4927574), (8, 2463787), (19, 1037384), (31, 635816), (38, 518692), (47, 419368), (62, 317908), (76, 259346), (89, 221464), (94, 209684), (124, 158954), (152, 129673), (178, 110732), (188, 104842), (248, 79477), (356, 55366), (376, 52421), (589, 33464), (712, 27683), (893, 22072), (1178, 16732), (1457, 13528), (1691, 11656), (1786, 11036), (2356, 8366), (2759, 7144), (2914, 6764), (3382, 5828), (3572, 5518), (4183, 4712)]