18937100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2115

約数の個数: 72

約数和(自身を含む): 50600928

約数和(自身を除く): 31663828

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2081, 2275, 4162, 4550, 8324, 9100, 10405, 14567, 20810, 27053, 29134, 41620, 52025, 54106, 58268, 72835, 104050, 108212, 135265, 145670, 189371, 208100, 270530, 291340, 364175, 378742, 541060, 676325, 728350, 757484, 946855, 1352650, 1456700, 1893710, 2705300, 3787420, 4734275, 9468550, 18937100]

約数ペア:

[(1, 18937100), (2, 9468550), (4, 4734275), (5, 3787420), (7, 2705300), (10, 1893710), (13, 1456700), (14, 1352650), (20, 946855), (25, 757484), (26, 728350), (28, 676325), (35, 541060), (50, 378742), (52, 364175), (65, 291340), (70, 270530), (91, 208100), (100, 189371), (130, 145670), (140, 135265), (175, 108212), (182, 104050), (260, 72835), (325, 58268), (350, 54106), (364, 52025), (455, 41620), (650, 29134), (700, 27053), (910, 20810), (1300, 14567), (1820, 10405), (2081, 9100), (2275, 8324), (4162, 4550)]