19794540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3203}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 55980288

約数和(自身を除く): 36185748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3203, 6180, 6406, 9609, 12812, 16015, 19218, 32030, 38436, 48045, 64060, 96090, 192180, 329909, 659818, 989727, 1319636, 1649545, 1979454, 3299090, 3958908, 4948635, 6598180, 9897270, 19794540]

約数ペア:

[(1, 19794540), (2, 9897270), (3, 6598180), (4, 4948635), (5, 3958908), (6, 3299090), (10, 1979454), (12, 1649545), (15, 1319636), (20, 989727), (30, 659818), (60, 329909), (103, 192180), (206, 96090), (309, 64060), (412, 48045), (515, 38436), (618, 32030), (1030, 19218), (1236, 16015), (1545, 12812), (2060, 9609), (3090, 6406), (3203, 6180)]