19925640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7907}}^1$

素因数の和:7931

約数の個数: 96

約数和(自身を含む): 74018880

約数和(自身を除く): 54093240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7907, 15814, 23721, 31628, 39535, 47442, 55349, 63256, 71163, 79070, 94884, 110698, 118605, 142326, 158140, 166047, 189768, 221396, 237210, 276745, 284652, 316280, 332094, 355815, 442792, 474420, 498141, 553490, 569304, 664188, 711630, 830235, 948840, 996282, 1106980, 1328376, 1423260, 1660470, 1992564, 2213960, 2490705, 2846520, 3320940, 3985128, 4981410, 6641880, 9962820, 19925640]

約数ペア:

[(1, 19925640), (2, 9962820), (3, 6641880), (4, 4981410), (5, 3985128), (6, 3320940), (7, 2846520), (8, 2490705), (9, 2213960), (10, 1992564), (12, 1660470), (14, 1423260), (15, 1328376), (18, 1106980), (20, 996282), (21, 948840), (24, 830235), (28, 711630), (30, 664188), (35, 569304), (36, 553490), (40, 498141), (42, 474420), (45, 442792), (56, 355815), (60, 332094), (63, 316280), (70, 284652), (72, 276745), (84, 237210), (90, 221396), (105, 189768), (120, 166047), (126, 158140), (140, 142326), (168, 118605), (180, 110698), (210, 94884), (252, 79070), (280, 71163), (315, 63256), (360, 55349), (420, 47442), (504, 39535), (630, 31628), (840, 23721), (1260, 15814), (2520, 7907)]