19501625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 28619136

約数和(自身を除く): 9117511

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1091, 1375, 1625, 3575, 5455, 12001, 14183, 17875, 27275, 60005, 70915, 136375, 156013, 300025, 354575, 780065, 1500125, 1772875, 3900325, 19501625]

約数ペア:

[(1, 19501625), (5, 3900325), (11, 1772875), (13, 1500125), (25, 780065), (55, 354575), (65, 300025), (125, 156013), (143, 136375), (275, 70915), (325, 60005), (715, 27275), (1091, 17875), (1375, 14183), (1625, 12001), (3575, 5455)]