19957896

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5657}}^1$

素因数の和:5683

約数の個数: 72

約数和(自身を含む): 62888670

約数和(自身を除く): 42930774

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5657, 11314, 16971, 22628, 33942, 39599, 45256, 50913, 67884, 79198, 101826, 118797, 135768, 158396, 203652, 237594, 277193, 316792, 356391, 407304, 475188, 554386, 712782, 831579, 950376, 1108772, 1425564, 1663158, 2217544, 2494737, 2851128, 3326316, 4989474, 6652632, 9978948, 19957896]

約数ペア:

[(1, 19957896), (2, 9978948), (3, 6652632), (4, 4989474), (6, 3326316), (7, 2851128), (8, 2494737), (9, 2217544), (12, 1663158), (14, 1425564), (18, 1108772), (21, 950376), (24, 831579), (28, 712782), (36, 554386), (42, 475188), (49, 407304), (56, 356391), (63, 316792), (72, 277193), (84, 237594), (98, 203652), (126, 158396), (147, 135768), (168, 118797), (196, 101826), (252, 79198), (294, 67884), (392, 50913), (441, 45256), (504, 39599), (588, 33942), (882, 22628), (1176, 16971), (1764, 11314), (3528, 5657)]