19629720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4985

約数の個数: 96

約数和(自身を含む): 69610320

約数和(自身を除く): 49980600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4957, 9914, 14871, 19828, 24785, 29742, 39656, 44613, 49570, 54527, 59484, 74355, 89226, 99140, 109054, 118968, 148710, 163581, 178452, 198280, 218108, 223065, 272635, 297420, 327162, 356904, 436216, 446130, 490743, 545270, 594840, 654324, 817905, 892260, 981486, 1090540, 1308648, 1635810, 1784520, 1962972, 2181080, 2453715, 3271620, 3925944, 4907430, 6543240, 9814860, 19629720]

約数ペア:

[(1, 19629720), (2, 9814860), (3, 6543240), (4, 4907430), (5, 3925944), (6, 3271620), (8, 2453715), (9, 2181080), (10, 1962972), (11, 1784520), (12, 1635810), (15, 1308648), (18, 1090540), (20, 981486), (22, 892260), (24, 817905), (30, 654324), (33, 594840), (36, 545270), (40, 490743), (44, 446130), (45, 436216), (55, 356904), (60, 327162), (66, 297420), (72, 272635), (88, 223065), (90, 218108), (99, 198280), (110, 178452), (120, 163581), (132, 148710), (165, 118968), (180, 109054), (198, 99140), (220, 89226), (264, 74355), (330, 59484), (360, 54527), (396, 49570), (440, 44613), (495, 39656), (660, 29742), (792, 24785), (990, 19828), (1320, 14871), (1980, 9914), (3960, 4957)]