19283220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9739}}^1$

素因数の和:9765

約数の個数: 72

約数和(自身を含む): 63816480

約数和(自身を除く): 44533260

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, 9739, 19478, 29217, 38956, 48695, 58434, 87651, 97390, 107129, 116868, 146085, 175302, 194780, 214258, 292170, 321387, 350604, 428516, 438255, 535645, 584340, 642774, 876510, 964161, 1071290, 1285548, 1606935, 1753020, 1928322, 2142580, 3213870, 3856644, 4820805, 6427740, 9641610, 19283220]

約数ペア:

[(1, 19283220), (2, 9641610), (3, 6427740), (4, 4820805), (5, 3856644), (6, 3213870), (9, 2142580), (10, 1928322), (11, 1753020), (12, 1606935), (15, 1285548), (18, 1071290), (20, 964161), (22, 876510), (30, 642774), (33, 584340), (36, 535645), (44, 438255), (45, 428516), (55, 350604), (60, 321387), (66, 292170), (90, 214258), (99, 194780), (110, 175302), (132, 146085), (165, 116868), (180, 107129), (198, 97390), (220, 87651), (330, 58434), (396, 48695), (495, 38956), (660, 29217), (990, 19478), (1980, 9739)]