19311628

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 40771584

約数和(自身を除く): 21459956

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 191, 314, 322, 382, 628, 644, 764, 1099, 1337, 2198, 2674, 3611, 4393, 4396, 5348, 7222, 8786, 14444, 17572, 25277, 29987, 30751, 50554, 59974, 61502, 101108, 119948, 123004, 209909, 419818, 689701, 839636, 1379402, 2758804, 4827907, 9655814, 19311628]

約数ペア:

[(1, 19311628), (2, 9655814), (4, 4827907), (7, 2758804), (14, 1379402), (23, 839636), (28, 689701), (46, 419818), (92, 209909), (157, 123004), (161, 119948), (191, 101108), (314, 61502), (322, 59974), (382, 50554), (628, 30751), (644, 29987), (764, 25277), (1099, 17572), (1337, 14444), (2198, 8786), (2674, 7222), (3611, 5348), (4393, 4396)]