19085044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 39453120

約数和(自身を除く): 20368076

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 617, 703, 814, 836, 1234, 1406, 1628, 2468, 2812, 6787, 7733, 11723, 13574, 15466, 22829, 23446, 27148, 30932, 45658, 46892, 91316, 128953, 251119, 257906, 433751, 502238, 515812, 867502, 1004476, 1735004, 4771261, 9542522, 19085044]

約数ペア:

[(1, 19085044), (2, 9542522), (4, 4771261), (11, 1735004), (19, 1004476), (22, 867502), (37, 515812), (38, 502238), (44, 433751), (74, 257906), (76, 251119), (148, 128953), (209, 91316), (407, 46892), (418, 45658), (617, 30932), (703, 27148), (814, 23446), (836, 22829), (1234, 15466), (1406, 13574), (1628, 11723), (2468, 7733), (2812, 6787)]