18248265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3086

約数の個数: 48

約数和(自身を含む): 38064000

約数和(自身を除く): 19815735

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3049, 5985, 9147, 15245, 21343, 27441, 45735, 57931, 64029, 106715, 137205, 173793, 192087, 289655, 320145, 405517, 521379, 868965, 960435, 1216551, 2027585, 2606895, 3649653, 6082755, 18248265]

約数ペア:

[(1, 18248265), (3, 6082755), (5, 3649653), (7, 2606895), (9, 2027585), (15, 1216551), (19, 960435), (21, 868965), (35, 521379), (45, 405517), (57, 320145), (63, 289655), (95, 192087), (105, 173793), (133, 137205), (171, 106715), (285, 64029), (315, 57931), (399, 45735), (665, 27441), (855, 21343), (1197, 15245), (1995, 9147), (3049, 5985)]