19211900547

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{19603}}^1$

素因数の和:19792

約数の個数: 48

約数和(自身を含む): 30572830080

約数和(自身を除く): 11360929533

約数列:

[1, 3, 7, 21, 49, 59, 113, 147, 177, 339, 413, 791, 1239, 2373, 2891, 5537, 6667, 8673, 16611, 19603, 20001, 46669, 58809, 137221, 140007, 326683, 411663, 960547, 980049, 1156577, 2215139, 2881641, 3469731, 6645417, 8096039, 15505973, 24288117, 46517919, 56672273, 108541811, 130693201, 170016819, 325625433, 392079603, 914852407, 2744557221, 6403966849, 19211900547]

約数ペア:

[(1, 19211900547), (3, 6403966849), (7, 2744557221), (21, 914852407), (49, 392079603), (59, 325625433), (113, 170016819), (147, 130693201), (177, 108541811), (339, 56672273), (413, 46517919), (791, 24288117), (1239, 15505973), (2373, 8096039), (2891, 6645417), (5537, 3469731), (6667, 2881641), (8673, 2215139), (16611, 1156577), (19603, 980049), (20001, 960547), (46669, 411663), (58809, 326683), (137221, 140007)]