19991035260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15865901}}^1$

素因数の和:15865923

約数の個数: 72

約数和(自身を含む): 69302259936

約数和(自身を除く): 49311224676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15865901, 31731802, 47597703, 63463604, 79329505, 95195406, 111061307, 142793109, 158659010, 190390812, 222122614, 237988515, 285586218, 317318020, 333183921, 444245228, 475977030, 555306535, 571172436, 666367842, 713965545, 951954060, 999551763, 1110613070, 1332735684, 1427931090, 1665919605, 1999103526, 2221226140, 2855862180, 3331839210, 3998207052, 4997758815, 6663678420, 9995517630, 19991035260]

約数ペア:

[(1, 19991035260), (2, 9995517630), (3, 6663678420), (4, 4997758815), (5, 3998207052), (6, 3331839210), (7, 2855862180), (9, 2221226140), (10, 1999103526), (12, 1665919605), (14, 1427931090), (15, 1332735684), (18, 1110613070), (20, 999551763), (21, 951954060), (28, 713965545), (30, 666367842), (35, 571172436), (36, 555306535), (42, 475977030), (45, 444245228), (60, 333183921), (63, 317318020), (70, 285586218), (84, 237988515), (90, 222122614), (105, 190390812), (126, 158659010), (140, 142793109), (180, 111061307), (210, 95195406), (252, 79329505), (315, 63463604), (420, 47597703), (630, 31731802), (1260, 15865901)]