20189493100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1518007}}^1$

素因数の和:1518047

約数の個数: 72

約数和(自身を含む): 52705237760

約数和(自身を除く): 32515744660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 1518007, 3036014, 6072028, 7590035, 10626049, 15180070, 21252098, 28842133, 30360140, 37950175, 42504196, 53130245, 57684266, 75900350, 106260490, 115368532, 144210665, 151800700, 201894931, 212520980, 265651225, 288421330, 403789862, 531302450, 576842660, 721053325, 807579724, 1009474655, 1062604900, 1442106650, 2018949310, 2884213300, 4037898620, 5047373275, 10094746550, 20189493100]

約数ペア:

[(1, 20189493100), (2, 10094746550), (4, 5047373275), (5, 4037898620), (7, 2884213300), (10, 2018949310), (14, 1442106650), (19, 1062604900), (20, 1009474655), (25, 807579724), (28, 721053325), (35, 576842660), (38, 531302450), (50, 403789862), (70, 288421330), (76, 265651225), (95, 212520980), (100, 201894931), (133, 151800700), (140, 144210665), (175, 115368532), (190, 106260490), (266, 75900350), (350, 57684266), (380, 53130245), (475, 42504196), (532, 37950175), (665, 30360140), (700, 28842133), (950, 21252098), (1330, 15180070), (1900, 10626049), (2660, 7590035), (3325, 6072028), (6650, 3036014), (13300, 1518007)]