18959475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 33926400

約数和(自身を除く): 14966925

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 345, 379, 435, 575, 667, 725, 1137, 1725, 1895, 2001, 2175, 3335, 5685, 8717, 9475, 10005, 10991, 16675, 26151, 28425, 32973, 43585, 50025, 54955, 130755, 164865, 217925, 252793, 274775, 653775, 758379, 824325, 1263965, 3791895, 6319825, 18959475]

約数ペア:

[(1, 18959475), (3, 6319825), (5, 3791895), (15, 1263965), (23, 824325), (25, 758379), (29, 653775), (69, 274775), (75, 252793), (87, 217925), (115, 164865), (145, 130755), (345, 54955), (379, 50025), (435, 43585), (575, 32973), (667, 28425), (725, 26151), (1137, 16675), (1725, 10991), (1895, 10005), (2001, 9475), (2175, 8717), (3335, 5685)]