18004875

素因数分解:

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

素因数の和:82

約数の個数: 64

約数和(自身を含む): 36142080

約数和(自身を除く): 18137205

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 285, 361, 375, 399, 475, 525, 665, 875, 1083, 1425, 1805, 1995, 2375, 2527, 2625, 3325, 5415, 6859, 7125, 7581, 9025, 9975, 12635, 16625, 20577, 27075, 34295, 37905, 45125, 48013, 49875, 63175, 102885, 135375, 144039, 171475, 189525, 240065, 315875, 514425, 720195, 857375, 947625, 1200325, 2572125, 3600975, 6001625, 18004875]

約数ペア:

[(1, 18004875), (3, 6001625), (5, 3600975), (7, 2572125), (15, 1200325), (19, 947625), (21, 857375), (25, 720195), (35, 514425), (57, 315875), (75, 240065), (95, 189525), (105, 171475), (125, 144039), (133, 135375), (175, 102885), (285, 63175), (361, 49875), (375, 48013), (399, 45125), (475, 37905), (525, 34295), (665, 27075), (875, 20577), (1083, 16625), (1425, 12635), (1805, 9975), (1995, 9025), (2375, 7581), (2527, 7125), (2625, 6859), (3325, 5415)]