19314295

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 13780361

約数列:

[1, 5, 7, 11, 13, 17, 35, 55, 65, 77, 85, 91, 119, 143, 187, 221, 227, 385, 455, 595, 715, 935, 1001, 1105, 1135, 1309, 1547, 1589, 2431, 2497, 2951, 3859, 5005, 6545, 7735, 7945, 12155, 12485, 14755, 17017, 17479, 19295, 20657, 27013, 32461, 42449, 50167, 85085, 87395, 103285, 135065, 162305, 212245, 227227, 250835, 297143, 351169, 551837, 1136135, 1485715, 1755845, 2759185, 3862859, 19314295]

約数ペア:

[(1, 19314295), (5, 3862859), (7, 2759185), (11, 1755845), (13, 1485715), (17, 1136135), (35, 551837), (55, 351169), (65, 297143), (77, 250835), (85, 227227), (91, 212245), (119, 162305), (143, 135065), (187, 103285), (221, 87395), (227, 85085), (385, 50167), (455, 42449), (595, 32461), (715, 27013), (935, 20657), (1001, 19295), (1105, 17479), (1135, 17017), (1309, 14755), (1547, 12485), (1589, 12155), (2431, 7945), (2497, 7735), (2951, 6545), (3859, 5005)]