18955540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 42477120

約数和(自身を除く): 23521580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 601, 830, 1202, 1577, 1660, 2404, 3005, 3154, 6010, 6308, 7885, 11419, 12020, 15770, 22838, 31540, 45676, 49883, 57095, 99766, 114190, 199532, 228380, 249415, 498830, 947777, 997660, 1895554, 3791108, 4738885, 9477770, 18955540]

約数ペア:

[(1, 18955540), (2, 9477770), (4, 4738885), (5, 3791108), (10, 1895554), (19, 997660), (20, 947777), (38, 498830), (76, 249415), (83, 228380), (95, 199532), (166, 114190), (190, 99766), (332, 57095), (380, 49883), (415, 45676), (601, 31540), (830, 22838), (1202, 15770), (1577, 12020), (1660, 11419), (2404, 7885), (3005, 6308), (3154, 6010)]