18944992

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 22205600

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 107, 176, 214, 352, 428, 503, 856, 1006, 1177, 1712, 2012, 2354, 3424, 4024, 4708, 5533, 8048, 9416, 11066, 16096, 18832, 22132, 37664, 44264, 53821, 88528, 107642, 177056, 215284, 430568, 592031, 861136, 1184062, 1722272, 2368124, 4736248, 9472496, 18944992]

約数ペア:

[(1, 18944992), (2, 9472496), (4, 4736248), (8, 2368124), (11, 1722272), (16, 1184062), (22, 861136), (32, 592031), (44, 430568), (88, 215284), (107, 177056), (176, 107642), (214, 88528), (352, 53821), (428, 44264), (503, 37664), (856, 22132), (1006, 18832), (1177, 16096), (1712, 11066), (2012, 9416), (2354, 8048), (3424, 5533), (4024, 4708)]