19157050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 39577824

約数和(自身を除く): 20420774

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 571, 610, 671, 1142, 1342, 1525, 2855, 3050, 3355, 5710, 6281, 6710, 12562, 14275, 16775, 28550, 31405, 33550, 34831, 62810, 69662, 157025, 174155, 314050, 348310, 383141, 766282, 870775, 1741550, 1915705, 3831410, 9578525, 19157050]

約数ペア:

[(1, 19157050), (2, 9578525), (5, 3831410), (10, 1915705), (11, 1741550), (22, 870775), (25, 766282), (50, 383141), (55, 348310), (61, 314050), (110, 174155), (122, 157025), (275, 69662), (305, 62810), (550, 34831), (571, 33550), (610, 31405), (671, 28550), (1142, 16775), (1342, 14275), (1525, 12562), (2855, 6710), (3050, 6281), (3355, 5710)]