19515693780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9856411}}^1$

素因数の和:9856437

約数の個数: 72

約数和(自身を含む): 64579211424

約数和(自身を除く): 45063517644

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, 9856411, 19712822, 29569233, 39425644, 49282055, 59138466, 88707699, 98564110, 108420521, 118276932, 147846165, 177415398, 197128220, 216841042, 295692330, 325261563, 354830796, 433682084, 443538495, 542102605, 591384660, 650523126, 887076990, 975784689, 1084205210, 1301046252, 1626307815, 1774153980, 1951569378, 2168410420, 3252615630, 3903138756, 4878923445, 6505231260, 9757846890, 19515693780]

約数ペア:

[(1, 19515693780), (2, 9757846890), (3, 6505231260), (4, 4878923445), (5, 3903138756), (6, 3252615630), (9, 2168410420), (10, 1951569378), (11, 1774153980), (12, 1626307815), (15, 1301046252), (18, 1084205210), (20, 975784689), (22, 887076990), (30, 650523126), (33, 591384660), (36, 542102605), (44, 443538495), (45, 433682084), (55, 354830796), (60, 325261563), (66, 295692330), (90, 216841042), (99, 197128220), (110, 177415398), (132, 147846165), (165, 118276932), (180, 108420521), (198, 98564110), (220, 88707699), (330, 59138466), (396, 49282055), (495, 39425644), (660, 29569233), (990, 19712822), (1980, 9856411)]