19305965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 28491264

約数和(自身を除く): 9185299

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 457, 497, 595, 1207, 2285, 2485, 3199, 6035, 7769, 8449, 15995, 32447, 38845, 42245, 54383, 162235, 227129, 271915, 551599, 1135645, 2757995, 3861193, 19305965]

約数ペア:

[(1, 19305965), (5, 3861193), (7, 2757995), (17, 1135645), (35, 551599), (71, 271915), (85, 227129), (119, 162235), (355, 54383), (457, 42245), (497, 38845), (595, 32447), (1207, 15995), (2285, 8449), (2485, 7769), (3199, 6035)]