18514980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1071

約数の個数: 120

約数和(自身を含む): 63423360

約数和(自身を除く): 44908380

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, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1039, 1188, 1485, 1620, 1782, 1980, 2078, 2970, 3117, 3564, 4156, 4455, 5195, 5940, 6234, 8910, 9351, 10390, 11429, 12468, 15585, 17820, 18702, 20780, 22858, 28053, 31170, 34287, 37404, 45716, 46755, 56106, 57145, 62340, 68574, 84159, 93510, 102861, 112212, 114290, 137148, 140265, 168318, 171435, 187020, 205722, 228580, 280530, 308583, 336636, 342870, 411444, 420795, 514305, 561060, 617166, 685740, 841590, 925749, 1028610, 1234332, 1542915, 1683180, 1851498, 2057220, 3085830, 3702996, 4628745, 6171660, 9257490, 18514980]

約数ペア:

[(1, 18514980), (2, 9257490), (3, 6171660), (4, 4628745), (5, 3702996), (6, 3085830), (9, 2057220), (10, 1851498), (11, 1683180), (12, 1542915), (15, 1234332), (18, 1028610), (20, 925749), (22, 841590), (27, 685740), (30, 617166), (33, 561060), (36, 514305), (44, 420795), (45, 411444), (54, 342870), (55, 336636), (60, 308583), (66, 280530), (81, 228580), (90, 205722), (99, 187020), (108, 171435), (110, 168318), (132, 140265), (135, 137148), (162, 114290), (165, 112212), (180, 102861), (198, 93510), (220, 84159), (270, 68574), (297, 62340), (324, 57145), (330, 56106), (396, 46755), (405, 45716), (495, 37404), (540, 34287), (594, 31170), (660, 28053), (810, 22858), (891, 20780), (990, 18702), (1039, 17820), (1188, 15585), (1485, 12468), (1620, 11429), (1782, 10390), (1980, 9351), (2078, 8910), (2970, 6234), (3117, 5940), (3564, 5195), (4156, 4455)]