19568340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9883}}^1$

素因数の和:9909

約数の個数: 72

約数和(自身を含む): 64759968

約数和(自身を除く): 45191628

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, 9883, 19766, 29649, 39532, 49415, 59298, 88947, 98830, 108713, 118596, 148245, 177894, 197660, 217426, 296490, 326139, 355788, 434852, 444735, 543565, 592980, 652278, 889470, 978417, 1087130, 1304556, 1630695, 1778940, 1956834, 2174260, 3261390, 3913668, 4892085, 6522780, 9784170, 19568340]

約数ペア:

[(1, 19568340), (2, 9784170), (3, 6522780), (4, 4892085), (5, 3913668), (6, 3261390), (9, 2174260), (10, 1956834), (11, 1778940), (12, 1630695), (15, 1304556), (18, 1087130), (20, 978417), (22, 889470), (30, 652278), (33, 592980), (36, 543565), (44, 444735), (45, 434852), (55, 355788), (60, 326139), (66, 296490), (90, 217426), (99, 197660), (110, 177894), (132, 148245), (165, 118596), (180, 108713), (198, 98830), (220, 88947), (330, 59298), (396, 49415), (495, 39532), (660, 29649), (990, 19766), (1980, 9883)]