18656850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2039}}^1$

素因数の和:2115

約数の個数: 48

約数和(自身を含む): 47050560

約数和(自身を除く): 28393710

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2039, 3050, 4078, 4575, 6117, 9150, 10195, 12234, 20390, 30585, 50975, 61170, 101950, 124379, 152925, 248758, 305850, 373137, 621895, 746274, 1243790, 1865685, 3109475, 3731370, 6218950, 9328425, 18656850]

約数ペア:

[(1, 18656850), (2, 9328425), (3, 6218950), (5, 3731370), (6, 3109475), (10, 1865685), (15, 1243790), (25, 746274), (30, 621895), (50, 373137), (61, 305850), (75, 248758), (122, 152925), (150, 124379), (183, 101950), (305, 61170), (366, 50975), (610, 30585), (915, 20390), (1525, 12234), (1830, 10195), (2039, 9150), (3050, 6117), (4078, 4575)]