18937710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 56766528

約数和(自身を除く): 37828818

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 37, 45, 47, 55, 66, 74, 90, 94, 99, 110, 111, 121, 141, 165, 185, 198, 222, 235, 242, 282, 330, 333, 363, 370, 407, 423, 470, 495, 517, 555, 605, 666, 705, 726, 814, 846, 990, 1034, 1089, 1110, 1210, 1221, 1410, 1551, 1665, 1739, 1815, 2035, 2115, 2178, 2442, 2585, 3102, 3330, 3478, 3630, 3663, 4070, 4230, 4477, 4653, 5170, 5217, 5445, 5687, 6105, 7326, 7755, 8695, 8954, 9306, 10434, 10890, 11374, 12210, 13431, 15510, 15651, 17061, 17390, 18315, 19129, 22385, 23265, 26085, 26862, 28435, 31302, 34122, 36630, 38258, 40293, 44770, 46530, 51183, 52170, 56870, 57387, 67155, 78255, 80586, 85305, 95645, 102366, 114774, 134310, 156510, 170610, 172161, 191290, 201465, 210419, 255915, 286935, 344322, 402930, 420838, 511830, 573870, 631257, 860805, 1052095, 1262514, 1721610, 1893771, 2104190, 3156285, 3787542, 6312570, 9468855, 18937710]

約数ペア:

[(1, 18937710), (2, 9468855), (3, 6312570), (5, 3787542), (6, 3156285), (9, 2104190), (10, 1893771), (11, 1721610), (15, 1262514), (18, 1052095), (22, 860805), (30, 631257), (33, 573870), (37, 511830), (45, 420838), (47, 402930), (55, 344322), (66, 286935), (74, 255915), (90, 210419), (94, 201465), (99, 191290), (110, 172161), (111, 170610), (121, 156510), (141, 134310), (165, 114774), (185, 102366), (198, 95645), (222, 85305), (235, 80586), (242, 78255), (282, 67155), (330, 57387), (333, 56870), (363, 52170), (370, 51183), (407, 46530), (423, 44770), (470, 40293), (495, 38258), (517, 36630), (555, 34122), (605, 31302), (666, 28435), (705, 26862), (726, 26085), (814, 23265), (846, 22385), (990, 19129), (1034, 18315), (1089, 17390), (1110, 17061), (1210, 15651), (1221, 15510), (1410, 13431), (1551, 12210), (1665, 11374), (1739, 10890), (1815, 10434), (2035, 9306), (2115, 8954), (2178, 8695), (2442, 7755), (2585, 7326), (3102, 6105), (3330, 5687), (3478, 5445), (3630, 5217), (3663, 5170), (4070, 4653), (4230, 4477)]