19881750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^2\times {\mathrm{541}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 57833568

約数和(自身を除く): 37951818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 125, 147, 150, 175, 210, 245, 250, 294, 350, 375, 490, 525, 541, 735, 750, 875, 1050, 1082, 1225, 1470, 1623, 1750, 2450, 2625, 2705, 3246, 3675, 3787, 5250, 5410, 6125, 7350, 7574, 8115, 11361, 12250, 13525, 16230, 18375, 18935, 22722, 26509, 27050, 36750, 37870, 40575, 53018, 56805, 67625, 79527, 81150, 94675, 113610, 132545, 135250, 159054, 189350, 202875, 265090, 284025, 397635, 405750, 473375, 568050, 662725, 795270, 946750, 1325450, 1420125, 1988175, 2840250, 3313625, 3976350, 6627250, 9940875, 19881750]

約数ペア:

[(1, 19881750), (2, 9940875), (3, 6627250), (5, 3976350), (6, 3313625), (7, 2840250), (10, 1988175), (14, 1420125), (15, 1325450), (21, 946750), (25, 795270), (30, 662725), (35, 568050), (42, 473375), (49, 405750), (50, 397635), (70, 284025), (75, 265090), (98, 202875), (105, 189350), (125, 159054), (147, 135250), (150, 132545), (175, 113610), (210, 94675), (245, 81150), (250, 79527), (294, 67625), (350, 56805), (375, 53018), (490, 40575), (525, 37870), (541, 36750), (735, 27050), (750, 26509), (875, 22722), (1050, 18935), (1082, 18375), (1225, 16230), (1470, 13525), (1623, 12250), (1750, 11361), (2450, 8115), (2625, 7574), (2705, 7350), (3246, 6125), (3675, 5410), (3787, 5250)]