1892020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 4515840

約数和(自身を除く): 2623820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 383, 494, 766, 988, 1235, 1532, 1915, 2470, 3830, 4940, 4979, 7277, 7660, 9958, 14554, 19916, 24895, 29108, 36385, 49790, 72770, 94601, 99580, 145540, 189202, 378404, 473005, 946010, 1892020]

約数ペア:

[(1, 1892020), (2, 946010), (4, 473005), (5, 378404), (10, 189202), (13, 145540), (19, 99580), (20, 94601), (26, 72770), (38, 49790), (52, 36385), (65, 29108), (76, 24895), (95, 19916), (130, 14554), (190, 9958), (247, 7660), (260, 7277), (380, 4979), (383, 4940), (494, 3830), (766, 2470), (988, 1915), (1235, 1532)]