19179540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 39526380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 839, 1143, 1270, 1524, 1678, 1905, 2286, 2517, 2540, 3356, 3810, 4195, 4572, 5034, 5715, 7551, 7620, 8390, 10068, 11430, 12585, 15102, 16780, 22860, 25170, 30204, 37755, 50340, 75510, 106553, 151020, 213106, 319659, 426212, 532765, 639318, 958977, 1065530, 1278636, 1598295, 1917954, 2131060, 3196590, 3835908, 4794885, 6393180, 9589770, 19179540]

約数ペア:

[(1, 19179540), (2, 9589770), (3, 6393180), (4, 4794885), (5, 3835908), (6, 3196590), (9, 2131060), (10, 1917954), (12, 1598295), (15, 1278636), (18, 1065530), (20, 958977), (30, 639318), (36, 532765), (45, 426212), (60, 319659), (90, 213106), (127, 151020), (180, 106553), (254, 75510), (381, 50340), (508, 37755), (635, 30204), (762, 25170), (839, 22860), (1143, 16780), (1270, 15102), (1524, 12585), (1678, 11430), (1905, 10068), (2286, 8390), (2517, 7620), (2540, 7551), (3356, 5715), (3810, 5034), (4195, 4572)]