19069665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 33421248

約数和(自身を除く): 14351583

約数列:

[1, 3, 5, 15, 17, 51, 53, 83, 85, 159, 249, 255, 265, 289, 415, 795, 867, 901, 1245, 1411, 1445, 2703, 4233, 4335, 4399, 4505, 7055, 13197, 13515, 15317, 21165, 21995, 23987, 45951, 65985, 71961, 74783, 76585, 119935, 224349, 229755, 359805, 373915, 1121745, 1271311, 3813933, 6356555, 19069665]

約数ペア:

[(1, 19069665), (3, 6356555), (5, 3813933), (15, 1271311), (17, 1121745), (51, 373915), (53, 359805), (83, 229755), (85, 224349), (159, 119935), (249, 76585), (255, 74783), (265, 71961), (289, 65985), (415, 45951), (795, 23987), (867, 21995), (901, 21165), (1245, 15317), (1411, 13515), (1445, 13197), (2703, 7055), (4233, 4505), (4335, 4399)]