19227420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2887}}^1$

素因数の和:2939

約数の個数: 72

約数和(自身を含む): 59920224

約数和(自身を除く): 40692804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2887, 3330, 5774, 6660, 8661, 11548, 14435, 17322, 25983, 28870, 34644, 43305, 51966, 57740, 86610, 103932, 106819, 129915, 173220, 213638, 259830, 320457, 427276, 519660, 534095, 640914, 961371, 1068190, 1281828, 1602285, 1922742, 2136380, 3204570, 3845484, 4806855, 6409140, 9613710, 19227420]

約数ペア:

[(1, 19227420), (2, 9613710), (3, 6409140), (4, 4806855), (5, 3845484), (6, 3204570), (9, 2136380), (10, 1922742), (12, 1602285), (15, 1281828), (18, 1068190), (20, 961371), (30, 640914), (36, 534095), (37, 519660), (45, 427276), (60, 320457), (74, 259830), (90, 213638), (111, 173220), (148, 129915), (180, 106819), (185, 103932), (222, 86610), (333, 57740), (370, 51966), (444, 43305), (555, 34644), (666, 28870), (740, 25983), (1110, 17322), (1332, 14435), (1665, 11548), (2220, 8661), (2887, 6660), (3330, 5774)]