18099540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 55292328

約数和(自身を除く): 37192788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 521, 579, 772, 965, 1042, 1158, 1563, 1737, 1930, 2084, 2316, 2605, 2895, 3126, 3474, 3860, 4689, 5210, 5790, 6252, 6948, 7815, 8685, 9378, 10420, 11580, 15630, 17370, 18756, 23445, 31260, 34740, 46890, 93780, 100553, 201106, 301659, 402212, 502765, 603318, 904977, 1005530, 1206636, 1508295, 1809954, 2011060, 3016590, 3619908, 4524885, 6033180, 9049770, 18099540]

約数ペア:

[(1, 18099540), (2, 9049770), (3, 6033180), (4, 4524885), (5, 3619908), (6, 3016590), (9, 2011060), (10, 1809954), (12, 1508295), (15, 1206636), (18, 1005530), (20, 904977), (30, 603318), (36, 502765), (45, 402212), (60, 301659), (90, 201106), (180, 100553), (193, 93780), (386, 46890), (521, 34740), (579, 31260), (772, 23445), (965, 18756), (1042, 17370), (1158, 15630), (1563, 11580), (1737, 10420), (1930, 9378), (2084, 8685), (2316, 7815), (2605, 6948), (2895, 6252), (3126, 5790), (3474, 5210), (3860, 4689)]