19657680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11701}}^1$

素因数の和:11724

約数の個数: 80

約数和(自身を含む): 69650304

約数和(自身を除く): 49992624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11701, 23402, 35103, 46804, 58505, 70206, 81907, 93608, 117010, 140412, 163814, 175515, 187216, 234020, 245721, 280824, 327628, 351030, 409535, 468040, 491442, 561648, 655256, 702060, 819070, 936080, 982884, 1228605, 1310512, 1404120, 1638140, 1965768, 2457210, 2808240, 3276280, 3931536, 4914420, 6552560, 9828840, 19657680]

約数ペア:

[(1, 19657680), (2, 9828840), (3, 6552560), (4, 4914420), (5, 3931536), (6, 3276280), (7, 2808240), (8, 2457210), (10, 1965768), (12, 1638140), (14, 1404120), (15, 1310512), (16, 1228605), (20, 982884), (21, 936080), (24, 819070), (28, 702060), (30, 655256), (35, 561648), (40, 491442), (42, 468040), (48, 409535), (56, 351030), (60, 327628), (70, 280824), (80, 245721), (84, 234020), (105, 187216), (112, 175515), (120, 163814), (140, 140412), (168, 117010), (210, 93608), (240, 81907), (280, 70206), (336, 58505), (420, 46804), (560, 35103), (840, 23402), (1680, 11701)]