19180005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2461

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14688795

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2399, 2665, 7197, 7995, 11995, 31187, 35985, 93561, 98359, 155935, 295077, 467805, 491795, 1278667, 1475385, 3836001, 6393335, 19180005]

約数ペア:

[(1, 19180005), (3, 6393335), (5, 3836001), (13, 1475385), (15, 1278667), (39, 491795), (41, 467805), (65, 295077), (123, 155935), (195, 98359), (205, 93561), (533, 35985), (615, 31187), (1599, 11995), (2399, 7995), (2665, 7197)]