16381990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 14917850

約数列:

[1, 2, 5, 10, 19, 38, 95, 151, 190, 302, 571, 755, 1142, 1510, 2855, 2869, 5710, 5738, 10849, 14345, 21698, 28690, 54245, 86221, 108490, 172442, 431105, 862210, 1638199, 3276398, 8190995, 16381990]

約数ペア:

[(1, 16381990), (2, 8190995), (5, 3276398), (10, 1638199), (19, 862210), (38, 431105), (95, 172442), (151, 108490), (190, 86221), (302, 54245), (571, 28690), (755, 21698), (1142, 14345), (1510, 10849), (2855, 5738), (2869, 5710)]