18957510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 59512320

約数和(自身を除く): 40554810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 90, 99, 110, 117, 130, 135, 143, 165, 195, 198, 234, 270, 286, 297, 330, 351, 390, 429, 491, 495, 585, 594, 702, 715, 858, 982, 990, 1170, 1287, 1430, 1473, 1485, 1755, 2145, 2455, 2574, 2946, 2970, 3510, 3861, 4290, 4419, 4910, 5401, 6383, 6435, 7365, 7722, 8838, 10802, 12766, 12870, 13257, 14730, 16203, 19149, 19305, 22095, 26514, 27005, 31915, 32406, 38298, 38610, 44190, 48609, 54010, 57447, 63830, 66285, 70213, 81015, 95745, 97218, 114894, 132570, 140426, 145827, 162030, 172341, 191490, 210639, 243045, 287235, 291654, 344682, 351065, 421278, 486090, 574470, 631917, 702130, 729135, 861705, 1053195, 1263834, 1458270, 1723410, 1895751, 2106390, 3159585, 3791502, 6319170, 9478755, 18957510]

約数ペア:

[(1, 18957510), (2, 9478755), (3, 6319170), (5, 3791502), (6, 3159585), (9, 2106390), (10, 1895751), (11, 1723410), (13, 1458270), (15, 1263834), (18, 1053195), (22, 861705), (26, 729135), (27, 702130), (30, 631917), (33, 574470), (39, 486090), (45, 421278), (54, 351065), (55, 344682), (65, 291654), (66, 287235), (78, 243045), (90, 210639), (99, 191490), (110, 172341), (117, 162030), (130, 145827), (135, 140426), (143, 132570), (165, 114894), (195, 97218), (198, 95745), (234, 81015), (270, 70213), (286, 66285), (297, 63830), (330, 57447), (351, 54010), (390, 48609), (429, 44190), (491, 38610), (495, 38298), (585, 32406), (594, 31915), (702, 27005), (715, 26514), (858, 22095), (982, 19305), (990, 19149), (1170, 16203), (1287, 14730), (1430, 13257), (1473, 12870), (1485, 12766), (1755, 10802), (2145, 8838), (2455, 7722), (2574, 7365), (2946, 6435), (2970, 6383), (3510, 5401), (3861, 4910), (4290, 4419)]