18085860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 42454620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 59, 60, 65, 78, 90, 117, 118, 130, 131, 156, 177, 180, 195, 234, 236, 260, 262, 295, 354, 390, 393, 468, 524, 531, 585, 590, 655, 708, 767, 780, 786, 885, 1062, 1170, 1179, 1180, 1310, 1534, 1572, 1703, 1770, 1965, 2124, 2301, 2340, 2358, 2620, 2655, 3068, 3406, 3540, 3835, 3930, 4602, 4716, 5109, 5310, 5895, 6812, 6903, 7670, 7729, 7860, 8515, 9204, 10218, 10620, 11505, 11790, 13806, 15327, 15340, 15458, 17030, 20436, 23010, 23187, 23580, 25545, 27612, 30654, 30916, 34060, 34515, 38645, 46020, 46374, 51090, 61308, 69030, 69561, 76635, 77290, 92748, 100477, 102180, 115935, 138060, 139122, 153270, 154580, 200954, 231870, 278244, 301431, 306540, 347805, 401908, 463740, 502385, 602862, 695610, 904293, 1004770, 1205724, 1391220, 1507155, 1808586, 2009540, 3014310, 3617172, 4521465, 6028620, 9042930, 18085860]

約数ペア:

[(1, 18085860), (2, 9042930), (3, 6028620), (4, 4521465), (5, 3617172), (6, 3014310), (9, 2009540), (10, 1808586), (12, 1507155), (13, 1391220), (15, 1205724), (18, 1004770), (20, 904293), (26, 695610), (30, 602862), (36, 502385), (39, 463740), (45, 401908), (52, 347805), (59, 306540), (60, 301431), (65, 278244), (78, 231870), (90, 200954), (117, 154580), (118, 153270), (130, 139122), (131, 138060), (156, 115935), (177, 102180), (180, 100477), (195, 92748), (234, 77290), (236, 76635), (260, 69561), (262, 69030), (295, 61308), (354, 51090), (390, 46374), (393, 46020), (468, 38645), (524, 34515), (531, 34060), (585, 30916), (590, 30654), (655, 27612), (708, 25545), (767, 23580), (780, 23187), (786, 23010), (885, 20436), (1062, 17030), (1170, 15458), (1179, 15340), (1180, 15327), (1310, 13806), (1534, 11790), (1572, 11505), (1703, 10620), (1770, 10218), (1965, 9204), (2124, 8515), (2301, 7860), (2340, 7729), (2358, 7670), (2620, 6903), (2655, 6812), (3068, 5895), (3406, 5310), (3540, 5109), (3835, 4716), (3930, 4602)]