19218078

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 47401848

約数和(自身を除く): 28183770

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 101, 186, 198, 202, 279, 303, 341, 558, 606, 682, 909, 961, 1023, 1111, 1818, 1922, 2046, 2222, 2883, 3069, 3131, 3333, 5766, 6138, 6262, 6666, 8649, 9393, 9999, 10571, 17298, 18786, 19998, 21142, 28179, 31713, 34441, 56358, 63426, 68882, 95139, 97061, 103323, 190278, 194122, 206646, 291183, 309969, 582366, 619938, 873549, 1067671, 1747098, 2135342, 3203013, 6406026, 9609039, 19218078]

約数ペア:

[(1, 19218078), (2, 9609039), (3, 6406026), (6, 3203013), (9, 2135342), (11, 1747098), (18, 1067671), (22, 873549), (31, 619938), (33, 582366), (62, 309969), (66, 291183), (93, 206646), (99, 194122), (101, 190278), (186, 103323), (198, 97061), (202, 95139), (279, 68882), (303, 63426), (341, 56358), (558, 34441), (606, 31713), (682, 28179), (909, 21142), (961, 19998), (1023, 18786), (1111, 17298), (1818, 10571), (1922, 9999), (2046, 9393), (2222, 8649), (2883, 6666), (3069, 6262), (3131, 6138), (3333, 5766)]