18949620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 36571020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 59, 60, 101, 106, 118, 159, 177, 202, 212, 236, 265, 295, 303, 318, 354, 404, 505, 530, 590, 606, 636, 708, 795, 885, 1010, 1060, 1180, 1212, 1515, 1590, 1770, 2020, 3030, 3127, 3180, 3540, 5353, 5959, 6060, 6254, 9381, 10706, 11918, 12508, 15635, 16059, 17877, 18762, 21412, 23836, 26765, 29795, 31270, 32118, 35754, 37524, 46905, 53530, 59590, 62540, 64236, 71508, 80295, 89385, 93810, 107060, 119180, 160590, 178770, 187620, 315827, 321180, 357540, 631654, 947481, 1263308, 1579135, 1894962, 3158270, 3789924, 4737405, 6316540, 9474810, 18949620]

約数ペア:

[(1, 18949620), (2, 9474810), (3, 6316540), (4, 4737405), (5, 3789924), (6, 3158270), (10, 1894962), (12, 1579135), (15, 1263308), (20, 947481), (30, 631654), (53, 357540), (59, 321180), (60, 315827), (101, 187620), (106, 178770), (118, 160590), (159, 119180), (177, 107060), (202, 93810), (212, 89385), (236, 80295), (265, 71508), (295, 64236), (303, 62540), (318, 59590), (354, 53530), (404, 46905), (505, 37524), (530, 35754), (590, 32118), (606, 31270), (636, 29795), (708, 26765), (795, 23836), (885, 21412), (1010, 18762), (1060, 17877), (1180, 16059), (1212, 15635), (1515, 12508), (1590, 11918), (1770, 10706), (2020, 9381), (3030, 6254), (3127, 6060), (3180, 5959), (3540, 5353)]