19144972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 23352308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1019, 1342, 1708, 2038, 2684, 4076, 4697, 7133, 9394, 11209, 14266, 18788, 22418, 28532, 44836, 62159, 78463, 124318, 156926, 248636, 313852, 435113, 683749, 870226, 1367498, 1740452, 2734996, 4786243, 9572486, 19144972]

約数ペア:

[(1, 19144972), (2, 9572486), (4, 4786243), (7, 2734996), (11, 1740452), (14, 1367498), (22, 870226), (28, 683749), (44, 435113), (61, 313852), (77, 248636), (122, 156926), (154, 124318), (244, 78463), (308, 62159), (427, 44836), (671, 28532), (854, 22418), (1019, 18788), (1342, 14266), (1708, 11209), (2038, 9394), (2684, 7133), (4076, 4697)]