18011978366975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{10159}}^1\times {\mathrm{22651}}^1$

素因数の和:32952

約数の個数: 48

約数和(自身を含む): 23286922874880

約数和(自身を除く): 5274944507905

約数列:

[1, 5, 25, 31, 101, 155, 505, 775, 2525, 3131, 10159, 15655, 22651, 50795, 78275, 113255, 253975, 314929, 566275, 702181, 1026059, 1574645, 2287751, 3510905, 5130295, 7873225, 11438755, 17554525, 25651475, 31807829, 57193775, 70920281, 159039145, 230111509, 354601405, 795195725, 1150557545, 1773007025, 5752787725, 7133456779, 23241262409, 35667283895, 116206312045, 178336419475, 581031560225, 720479134679, 3602395673395, 18011978366975]

約数ペア:

[(1, 18011978366975), (5, 3602395673395), (25, 720479134679), (31, 581031560225), (101, 178336419475), (155, 116206312045), (505, 35667283895), (775, 23241262409), (2525, 7133456779), (3131, 5752787725), (10159, 1773007025), (15655, 1150557545), (22651, 795195725), (50795, 354601405), (78275, 230111509), (113255, 159039145), (253975, 70920281), (314929, 57193775), (566275, 31807829), (702181, 25651475), (1026059, 17554525), (1574645, 11438755), (2287751, 7873225), (3510905, 5130295)]