19005160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7789}}^1$

素因数の和:7861

約数の個数: 32

約数和(自身を含む): 43468200

約数和(自身を除く): 24463040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 7789, 15578, 31156, 38945, 62312, 77890, 155780, 311560, 475129, 950258, 1900516, 2375645, 3801032, 4751290, 9502580, 19005160]

約数ペア:

[(1, 19005160), (2, 9502580), (4, 4751290), (5, 3801032), (8, 2375645), (10, 1900516), (20, 950258), (40, 475129), (61, 311560), (122, 155780), (244, 77890), (305, 62312), (488, 38945), (610, 31156), (1220, 15578), (2440, 7789)]