19753468

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1154

約数の個数: 36

約数和(自身を含む): 40666080

約数和(自身を除く): 20912612

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 388, 679, 1039, 1358, 2078, 2716, 4156, 4753, 7273, 9506, 14546, 19012, 29092, 50911, 100783, 101822, 201566, 203644, 403132, 705481, 1410962, 2821924, 4938367, 9876734, 19753468]

約数ペア:

[(1, 19753468), (2, 9876734), (4, 4938367), (7, 2821924), (14, 1410962), (28, 705481), (49, 403132), (97, 203644), (98, 201566), (194, 101822), (196, 100783), (388, 50911), (679, 29092), (1039, 19012), (1358, 14546), (2078, 9506), (2716, 7273), (4156, 4753)]