18907020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1093

約数の個数: 120

約数和(自身を含む): 64765008

約数和(自身を除く): 45857988

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, 1061, 1188, 1485, 1620, 1782, 1980, 2122, 2970, 3183, 3564, 4244, 4455, 5305, 5940, 6366, 8910, 9549, 10610, 11671, 12732, 15915, 17820, 19098, 21220, 23342, 28647, 31830, 35013, 38196, 46684, 47745, 57294, 58355, 63660, 70026, 85941, 95490, 105039, 114588, 116710, 140052, 143235, 171882, 175065, 190980, 210078, 233420, 286470, 315117, 343764, 350130, 420156, 429705, 525195, 572940, 630234, 700260, 859410, 945351, 1050390, 1260468, 1575585, 1718820, 1890702, 2100780, 3151170, 3781404, 4726755, 6302340, 9453510, 18907020]

約数ペア:

[(1, 18907020), (2, 9453510), (3, 6302340), (4, 4726755), (5, 3781404), (6, 3151170), (9, 2100780), (10, 1890702), (11, 1718820), (12, 1575585), (15, 1260468), (18, 1050390), (20, 945351), (22, 859410), (27, 700260), (30, 630234), (33, 572940), (36, 525195), (44, 429705), (45, 420156), (54, 350130), (55, 343764), (60, 315117), (66, 286470), (81, 233420), (90, 210078), (99, 190980), (108, 175065), (110, 171882), (132, 143235), (135, 140052), (162, 116710), (165, 114588), (180, 105039), (198, 95490), (220, 85941), (270, 70026), (297, 63660), (324, 58355), (330, 57294), (396, 47745), (405, 46684), (495, 38196), (540, 35013), (594, 31830), (660, 28647), (810, 23342), (891, 21220), (990, 19098), (1061, 17820), (1188, 15915), (1485, 12732), (1620, 11671), (1782, 10610), (1980, 9549), (2122, 8910), (2970, 6366), (3183, 5940), (3564, 5305), (4244, 4455)]