18807942780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9498961}}^1$

素因数の和:9498987

約数の個数: 72

約数和(自身を含む): 62237199024

約数和(自身を除く): 43429256244

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, 9498961, 18997922, 28496883, 37995844, 47494805, 56993766, 85490649, 94989610, 104488571, 113987532, 142484415, 170981298, 189979220, 208977142, 284968830, 313465713, 341962596, 417954284, 427453245, 522442855, 569937660, 626931426, 854906490, 940397139, 1044885710, 1253862852, 1567328565, 1709812980, 1880794278, 2089771420, 3134657130, 3761588556, 4701985695, 6269314260, 9403971390, 18807942780]

約数ペア:

[(1, 18807942780), (2, 9403971390), (3, 6269314260), (4, 4701985695), (5, 3761588556), (6, 3134657130), (9, 2089771420), (10, 1880794278), (11, 1709812980), (12, 1567328565), (15, 1253862852), (18, 1044885710), (20, 940397139), (22, 854906490), (30, 626931426), (33, 569937660), (36, 522442855), (44, 427453245), (45, 417954284), (55, 341962596), (60, 313465713), (66, 284968830), (90, 208977142), (99, 189979220), (110, 170981298), (132, 142484415), (165, 113987532), (180, 104488571), (198, 94989610), (220, 85490649), (330, 56993766), (396, 47494805), (495, 37995844), (660, 28496883), (990, 18997922), (1980, 9498961)]