16017380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 36039360

約数和(自身を除く): 20021980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 691, 1159, 1220, 1382, 2318, 2764, 3455, 4636, 5795, 6910, 11590, 13129, 13820, 23180, 26258, 42151, 52516, 65645, 84302, 131290, 168604, 210755, 262580, 421510, 800869, 843020, 1601738, 3203476, 4004345, 8008690, 16017380]

約数ペア:

[(1, 16017380), (2, 8008690), (4, 4004345), (5, 3203476), (10, 1601738), (19, 843020), (20, 800869), (38, 421510), (61, 262580), (76, 210755), (95, 168604), (122, 131290), (190, 84302), (244, 65645), (305, 52516), (380, 42151), (610, 26258), (691, 23180), (1159, 13820), (1220, 13129), (1382, 11590), (2318, 6910), (2764, 5795), (3455, 4636)]