19802019987

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{64483}}^1$

素因数の和:64867

約数の個数: 24

約数和(自身を含む): 28921074000

約数和(自身を除く): 9119054013

約数列:

[1, 3, 9, 149, 229, 447, 687, 1341, 2061, 34121, 64483, 102363, 193449, 307089, 580347, 9607967, 14766607, 28823901, 44299821, 86471703, 132899463, 2200224443, 6600673329, 19802019987]

約数ペア:

[(1, 19802019987), (3, 6600673329), (9, 2200224443), (149, 132899463), (229, 86471703), (447, 44299821), (687, 28823901), (1341, 14766607), (2061, 9607967), (34121, 580347), (64483, 307089), (102363, 193449)]