19870452

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2719}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 59404800

約数和(自身を除く): 39534348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2719, 3654, 5438, 7308, 8157, 10876, 16314, 19033, 24471, 32628, 38066, 48942, 57099, 76132, 78851, 97884, 114198, 157702, 171297, 228396, 236553, 315404, 342594, 473106, 551957, 685188, 709659, 946212, 1103914, 1419318, 1655871, 2207828, 2838636, 3311742, 4967613, 6623484, 9935226, 19870452]

約数ペア:

[(1, 19870452), (2, 9935226), (3, 6623484), (4, 4967613), (6, 3311742), (7, 2838636), (9, 2207828), (12, 1655871), (14, 1419318), (18, 1103914), (21, 946212), (28, 709659), (29, 685188), (36, 551957), (42, 473106), (58, 342594), (63, 315404), (84, 236553), (87, 228396), (116, 171297), (126, 157702), (174, 114198), (203, 97884), (252, 78851), (261, 76132), (348, 57099), (406, 48942), (522, 38066), (609, 32628), (812, 24471), (1044, 19033), (1218, 16314), (1827, 10876), (2436, 8157), (2719, 7308), (3654, 5438)]