18938700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 108

約数和(自身を含む): 64792728

約数和(自身を除く): 45854028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1913, 1980, 2475, 3300, 3826, 4950, 5739, 7652, 9565, 9900, 11478, 17217, 19130, 21043, 22956, 28695, 34434, 38260, 42086, 47825, 57390, 63129, 68868, 84172, 86085, 95650, 105215, 114780, 126258, 143475, 172170, 189387, 191300, 210430, 252516, 286950, 315645, 344340, 378774, 420860, 430425, 526075, 573900, 631290, 757548, 860850, 946935, 1052150, 1262580, 1578225, 1721700, 1893870, 2104300, 3156450, 3787740, 4734675, 6312900, 9469350, 18938700]

約数ペア:

[(1, 18938700), (2, 9469350), (3, 6312900), (4, 4734675), (5, 3787740), (6, 3156450), (9, 2104300), (10, 1893870), (11, 1721700), (12, 1578225), (15, 1262580), (18, 1052150), (20, 946935), (22, 860850), (25, 757548), (30, 631290), (33, 573900), (36, 526075), (44, 430425), (45, 420860), (50, 378774), (55, 344340), (60, 315645), (66, 286950), (75, 252516), (90, 210430), (99, 191300), (100, 189387), (110, 172170), (132, 143475), (150, 126258), (165, 114780), (180, 105215), (198, 95650), (220, 86085), (225, 84172), (275, 68868), (300, 63129), (330, 57390), (396, 47825), (450, 42086), (495, 38260), (550, 34434), (660, 28695), (825, 22956), (900, 21043), (990, 19130), (1100, 17217), (1650, 11478), (1913, 9900), (1980, 9565), (2475, 7652), (3300, 5739), (3826, 4950)]