19729875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4783}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 35822592

約数和(自身を除く): 16092717

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4783, 14349, 23915, 52613, 71745, 119575, 157839, 263065, 358725, 597875, 789195, 1315325, 1793625, 3945975, 6576625, 19729875]

約数ペア:

[(1, 19729875), (3, 6576625), (5, 3945975), (11, 1793625), (15, 1315325), (25, 789195), (33, 597875), (55, 358725), (75, 263065), (125, 157839), (165, 119575), (275, 71745), (375, 52613), (825, 23915), (1375, 14349), (4125, 4783)]