18732415360

素因数分解:

$2^7\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{22567}}^1$

素因数の和:23883

約数の個数: 64

約数和(自身を含む): 44818693920

約数和(自身を除く): 26086278560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1297, 2594, 5188, 6485, 10376, 12970, 20752, 22567, 25940, 41504, 45134, 51880, 83008, 90268, 103760, 112835, 166016, 180536, 207520, 225670, 361072, 415040, 451340, 722144, 830080, 902680, 1444288, 1805360, 2888576, 3610720, 7221440, 14442880, 29269399, 58538798, 117077596, 146346995, 234155192, 292693990, 468310384, 585387980, 936620768, 1170775960, 1873241536, 2341551920, 3746483072, 4683103840, 9366207680, 18732415360]

約数ペア:

[(1, 18732415360), (2, 9366207680), (4, 4683103840), (5, 3746483072), (8, 2341551920), (10, 1873241536), (16, 1170775960), (20, 936620768), (32, 585387980), (40, 468310384), (64, 292693990), (80, 234155192), (128, 146346995), (160, 117077596), (320, 58538798), (640, 29269399), (1297, 14442880), (2594, 7221440), (5188, 3610720), (6485, 2888576), (10376, 1805360), (12970, 1444288), (20752, 902680), (22567, 830080), (25940, 722144), (41504, 451340), (45134, 415040), (51880, 361072), (83008, 225670), (90268, 207520), (103760, 180536), (112835, 166016)]