19198300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 46996992

約数和(自身を除く): 27798692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 563, 620, 682, 775, 1100, 1126, 1364, 1550, 1705, 2252, 2815, 3100, 3410, 5630, 6193, 6820, 8525, 11260, 12386, 14075, 17050, 17453, 24772, 28150, 30965, 34100, 34906, 56300, 61930, 69812, 87265, 123860, 154825, 174530, 191983, 309650, 349060, 383966, 436325, 619300, 767932, 872650, 959915, 1745300, 1919830, 3839660, 4799575, 9599150, 19198300]

約数ペア:

[(1, 19198300), (2, 9599150), (4, 4799575), (5, 3839660), (10, 1919830), (11, 1745300), (20, 959915), (22, 872650), (25, 767932), (31, 619300), (44, 436325), (50, 383966), (55, 349060), (62, 309650), (100, 191983), (110, 174530), (124, 154825), (155, 123860), (220, 87265), (275, 69812), (310, 61930), (341, 56300), (550, 34906), (563, 34100), (620, 30965), (682, 28150), (775, 24772), (1100, 17453), (1126, 17050), (1364, 14075), (1550, 12386), (1705, 11260), (2252, 8525), (2815, 6820), (3100, 6193), (3410, 5630)]