19953396

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4231}}^1$

素因数の和:4372

約数の個数: 36

約数和(自身を含む): 50834784

約数和(自身を除く): 30881388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4231, 4716, 8462, 12693, 16924, 25386, 38079, 50772, 76158, 152316, 554261, 1108522, 1662783, 2217044, 3325566, 4988349, 6651132, 9976698, 19953396]

約数ペア:

[(1, 19953396), (2, 9976698), (3, 6651132), (4, 4988349), (6, 3325566), (9, 2217044), (12, 1662783), (18, 1108522), (36, 554261), (131, 152316), (262, 76158), (393, 50772), (524, 38079), (786, 25386), (1179, 16924), (1572, 12693), (2358, 8462), (4231, 4716)]