19624796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 38438400

約数和(自身を除く): 18813604

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 103, 109, 206, 218, 412, 436, 437, 874, 1748, 1957, 2071, 2369, 2507, 3914, 4142, 4738, 5014, 7828, 8284, 9476, 10028, 11227, 22454, 44908, 45011, 47633, 90022, 95266, 180044, 190532, 213313, 258221, 426626, 516442, 853252, 1032884, 4906199, 9812398, 19624796]

約数ペア:

[(1, 19624796), (2, 9812398), (4, 4906199), (19, 1032884), (23, 853252), (38, 516442), (46, 426626), (76, 258221), (92, 213313), (103, 190532), (109, 180044), (206, 95266), (218, 90022), (412, 47633), (436, 45011), (437, 44908), (874, 22454), (1748, 11227), (1957, 10028), (2071, 9476), (2369, 8284), (2507, 7828), (3914, 5014), (4142, 4738)]