19353519

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 10414161

約数列:

[1, 3, 9, 27, 47, 101, 141, 151, 303, 423, 453, 909, 1269, 1359, 2727, 4077, 4747, 7097, 14241, 15251, 21291, 42723, 45753, 63873, 128169, 137259, 191619, 411777, 716797, 2150391, 6451173, 19353519]

約数ペア:

[(1, 19353519), (3, 6451173), (9, 2150391), (27, 716797), (47, 411777), (101, 191619), (141, 137259), (151, 128169), (303, 63873), (423, 45753), (453, 42723), (909, 21291), (1269, 15251), (1359, 14241), (2727, 7097), (4077, 4747)]