19393974

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1125

約数の個数: 48

約数和(自身を含む): 45264960

約数和(自身を除く): 25870986

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 61, 102, 122, 153, 183, 306, 366, 549, 1037, 1039, 1098, 2074, 2078, 3111, 3117, 6222, 6234, 9333, 9351, 17663, 18666, 18702, 35326, 52989, 63379, 105978, 126758, 158967, 190137, 317934, 380274, 570411, 1077443, 1140822, 2154886, 3232329, 6464658, 9696987, 19393974]

約数ペア:

[(1, 19393974), (2, 9696987), (3, 6464658), (6, 3232329), (9, 2154886), (17, 1140822), (18, 1077443), (34, 570411), (51, 380274), (61, 317934), (102, 190137), (122, 158967), (153, 126758), (183, 105978), (306, 63379), (366, 52989), (549, 35326), (1037, 18702), (1039, 18666), (1098, 17663), (2074, 9351), (2078, 9333), (3111, 6234), (3117, 6222)]