19538793

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 10528407

約数列:

[1, 3, 9, 27, 47, 89, 141, 173, 267, 423, 519, 801, 1269, 1557, 2403, 4183, 4671, 8131, 12549, 15397, 24393, 37647, 46191, 73179, 112941, 138573, 219537, 415719, 723659, 2170977, 6512931, 19538793]

約数ペア:

[(1, 19538793), (3, 6512931), (9, 2170977), (27, 723659), (47, 415719), (89, 219537), (141, 138573), (173, 112941), (267, 73179), (423, 46191), (519, 37647), (801, 24393), (1269, 15397), (1557, 12549), (2403, 8131), (4183, 4671)]