19921348

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:964

約数の個数: 36

約数和(自身を含む): 39025840

約数和(自身を除く): 19104492

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 907, 1156, 1292, 1814, 3628, 5491, 10982, 15419, 17233, 21964, 30838, 34466, 61676, 68932, 262123, 292961, 524246, 585922, 1048492, 1171844, 4980337, 9960674, 19921348]

約数ペア:

[(1, 19921348), (2, 9960674), (4, 4980337), (17, 1171844), (19, 1048492), (34, 585922), (38, 524246), (68, 292961), (76, 262123), (289, 68932), (323, 61676), (578, 34466), (646, 30838), (907, 21964), (1156, 17233), (1292, 15419), (1814, 10982), (3628, 5491)]