19804891395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{98849}}^1$

素因数の和:98932

約数の個数: 48

約数和(自身を含む): 34347607200

約数和(自身を除く): 14542715805

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 361, 555, 703, 1083, 1805, 2109, 3515, 5415, 10545, 13357, 40071, 66785, 98849, 200355, 296547, 494245, 1482735, 1878131, 3657413, 5634393, 9390655, 10972239, 18287065, 28171965, 35684489, 54861195, 69490847, 107053467, 178422445, 208472541, 347454235, 535267335, 1042362705, 1320326093, 3960978279, 6601630465, 19804891395]

約数ペア:

[(1, 19804891395), (3, 6601630465), (5, 3960978279), (15, 1320326093), (19, 1042362705), (37, 535267335), (57, 347454235), (95, 208472541), (111, 178422445), (185, 107053467), (285, 69490847), (361, 54861195), (555, 35684489), (703, 28171965), (1083, 18287065), (1805, 10972239), (2109, 9390655), (3515, 5634393), (5415, 3657413), (10545, 1878131), (13357, 1482735), (40071, 494245), (66785, 296547), (98849, 200355)]