19807668885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{14243}}^1$

素因数の和:14442

約数の個数: 64

約数和(自身を含む): 34459084800

約数和(自身を除く): 14651415915

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 139, 145, 345, 417, 435, 667, 695, 2001, 2085, 3197, 3335, 4031, 9591, 10005, 12093, 14243, 15985, 20155, 42729, 47955, 60465, 71215, 92713, 213645, 278139, 327589, 413047, 463565, 982767, 1239141, 1390695, 1637945, 1979777, 2065235, 4913835, 5939331, 6195705, 9500081, 9898885, 28500243, 29696655, 45534871, 47500405, 57413533, 136604613, 142501215, 172240599, 227674355, 287067665, 683023065, 861202995, 1320511259, 3961533777, 6602556295, 19807668885]

約数ペア:

[(1, 19807668885), (3, 6602556295), (5, 3961533777), (15, 1320511259), (23, 861202995), (29, 683023065), (69, 287067665), (87, 227674355), (115, 172240599), (139, 142501215), (145, 136604613), (345, 57413533), (417, 47500405), (435, 45534871), (667, 29696655), (695, 28500243), (2001, 9898885), (2085, 9500081), (3197, 6195705), (3335, 5939331), (4031, 4913835), (9591, 2065235), (10005, 1979777), (12093, 1637945), (14243, 1390695), (15985, 1239141), (20155, 982767), (42729, 463565), (47955, 413047), (60465, 327589), (71215, 278139), (92713, 213645)]