19881180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3347}}^1$

素因数の和:3376

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 47614500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 3347, 5940, 6694, 10041, 13388, 16735, 20082, 30123, 33470, 36817, 40164, 50205, 60246, 66940, 73634, 90369, 100410, 110451, 120492, 147268, 150615, 180738, 184085, 200820, 220902, 301230, 331353, 361476, 368170, 441804, 451845, 552255, 602460, 662706, 736340, 903690, 994059, 1104510, 1325412, 1656765, 1807380, 1988118, 2209020, 3313530, 3976236, 4970295, 6627060, 9940590, 19881180]

約数ペア:

[(1, 19881180), (2, 9940590), (3, 6627060), (4, 4970295), (5, 3976236), (6, 3313530), (9, 2209020), (10, 1988118), (11, 1807380), (12, 1656765), (15, 1325412), (18, 1104510), (20, 994059), (22, 903690), (27, 736340), (30, 662706), (33, 602460), (36, 552255), (44, 451845), (45, 441804), (54, 368170), (55, 361476), (60, 331353), (66, 301230), (90, 220902), (99, 200820), (108, 184085), (110, 180738), (132, 150615), (135, 147268), (165, 120492), (180, 110451), (198, 100410), (220, 90369), (270, 73634), (297, 66940), (330, 60246), (396, 50205), (495, 40164), (540, 36817), (594, 33470), (660, 30123), (990, 20082), (1188, 16735), (1485, 13388), (1980, 10041), (2970, 6694), (3347, 5940)]