19437950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 45235200

約数和(自身を除く): 25797250

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 37, 38, 50, 70, 74, 79, 95, 133, 158, 175, 185, 190, 259, 266, 350, 370, 395, 475, 518, 553, 665, 703, 790, 925, 950, 1106, 1295, 1330, 1406, 1501, 1850, 1975, 2590, 2765, 2923, 3002, 3325, 3515, 3950, 4921, 5530, 5846, 6475, 6650, 7030, 7505, 9842, 10507, 12950, 13825, 14615, 15010, 17575, 20461, 21014, 24605, 27650, 29230, 35150, 37525, 40922, 49210, 52535, 55537, 73075, 75050, 102305, 105070, 111074, 123025, 146150, 204610, 246050, 262675, 277685, 388759, 511525, 525350, 555370, 777518, 1023050, 1388425, 1943795, 2776850, 3887590, 9718975, 19437950]

約数ペア:

[(1, 19437950), (2, 9718975), (5, 3887590), (7, 2776850), (10, 1943795), (14, 1388425), (19, 1023050), (25, 777518), (35, 555370), (37, 525350), (38, 511525), (50, 388759), (70, 277685), (74, 262675), (79, 246050), (95, 204610), (133, 146150), (158, 123025), (175, 111074), (185, 105070), (190, 102305), (259, 75050), (266, 73075), (350, 55537), (370, 52535), (395, 49210), (475, 40922), (518, 37525), (553, 35150), (665, 29230), (703, 27650), (790, 24605), (925, 21014), (950, 20461), (1106, 17575), (1295, 15010), (1330, 14615), (1406, 13825), (1501, 12950), (1850, 10507), (1975, 9842), (2590, 7505), (2765, 7030), (2923, 6650), (3002, 6475), (3325, 5846), (3515, 5530), (3950, 4921)]