19150340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 25471804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 1427, 2684, 2854, 3355, 5708, 6710, 7135, 13420, 14270, 15697, 28540, 31394, 62788, 78485, 87047, 156970, 174094, 313940, 348188, 435235, 870470, 957517, 1740940, 1915034, 3830068, 4787585, 9575170, 19150340]

約数ペア:

[(1, 19150340), (2, 9575170), (4, 4787585), (5, 3830068), (10, 1915034), (11, 1740940), (20, 957517), (22, 870470), (44, 435235), (55, 348188), (61, 313940), (110, 174094), (122, 156970), (220, 87047), (244, 78485), (305, 62788), (610, 31394), (671, 28540), (1220, 15697), (1342, 14270), (1427, 13420), (2684, 7135), (2854, 6710), (3355, 5708)]