18138780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9161}}^1$

素因数の和:9187

約数の個数: 72

約数和(自身を含む): 60029424

約数和(自身を除く): 41890644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9161, 18322, 27483, 36644, 45805, 54966, 82449, 91610, 100771, 109932, 137415, 164898, 183220, 201542, 274830, 302313, 329796, 403084, 412245, 503855, 549660, 604626, 824490, 906939, 1007710, 1209252, 1511565, 1648980, 1813878, 2015420, 3023130, 3627756, 4534695, 6046260, 9069390, 18138780]

約数ペア:

[(1, 18138780), (2, 9069390), (3, 6046260), (4, 4534695), (5, 3627756), (6, 3023130), (9, 2015420), (10, 1813878), (11, 1648980), (12, 1511565), (15, 1209252), (18, 1007710), (20, 906939), (22, 824490), (30, 604626), (33, 549660), (36, 503855), (44, 412245), (45, 403084), (55, 329796), (60, 302313), (66, 274830), (90, 201542), (99, 183220), (110, 164898), (132, 137415), (165, 109932), (180, 100771), (198, 91610), (220, 82449), (330, 54966), (396, 45805), (495, 36644), (660, 27483), (990, 18322), (1980, 9161)]