19291140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9743}}^1$

素因数の和:9769

約数の個数: 72

約数和(自身を含む): 63842688

約数和(自身を除く): 44551548

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, 9743, 19486, 29229, 38972, 48715, 58458, 87687, 97430, 107173, 116916, 146145, 175374, 194860, 214346, 292290, 321519, 350748, 428692, 438435, 535865, 584580, 643038, 876870, 964557, 1071730, 1286076, 1607595, 1753740, 1929114, 2143460, 3215190, 3858228, 4822785, 6430380, 9645570, 19291140]

約数ペア:

[(1, 19291140), (2, 9645570), (3, 6430380), (4, 4822785), (5, 3858228), (6, 3215190), (9, 2143460), (10, 1929114), (11, 1753740), (12, 1607595), (15, 1286076), (18, 1071730), (20, 964557), (22, 876870), (30, 643038), (33, 584580), (36, 535865), (44, 438435), (45, 428692), (55, 350748), (60, 321519), (66, 292290), (90, 214346), (99, 194860), (110, 175374), (132, 146145), (165, 116916), (180, 107173), (198, 97430), (220, 87687), (330, 58458), (396, 48715), (495, 38972), (660, 29229), (990, 19486), (1980, 9743)]