19989102

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 49466880

約数和(自身を除く): 29477778

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 259, 266, 399, 518, 677, 703, 777, 798, 1354, 1406, 1554, 2031, 2109, 4062, 4218, 4739, 4921, 9478, 9842, 12863, 14217, 14763, 25049, 25726, 28434, 29526, 38589, 50098, 75147, 77178, 90041, 150294, 175343, 180082, 270123, 350686, 475931, 526029, 540246, 951862, 1052058, 1427793, 2855586, 3331517, 6663034, 9994551, 19989102]

約数ペア:

[(1, 19989102), (2, 9994551), (3, 6663034), (6, 3331517), (7, 2855586), (14, 1427793), (19, 1052058), (21, 951862), (37, 540246), (38, 526029), (42, 475931), (57, 350686), (74, 270123), (111, 180082), (114, 175343), (133, 150294), (222, 90041), (259, 77178), (266, 75147), (399, 50098), (518, 38589), (677, 29526), (703, 28434), (777, 25726), (798, 25049), (1354, 14763), (1406, 14217), (1554, 12863), (2031, 9842), (2109, 9478), (4062, 4921), (4218, 4739)]