16804927340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1\times {\mathrm{26497}}^1$

素因数の和:28194

約数の個数: 48

約数和(自身を含む): 37171394400

約数和(自身を除く): 20366467060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1669, 3338, 6676, 8345, 16690, 26497, 31711, 33380, 52994, 63422, 105988, 126844, 132485, 158555, 264970, 317110, 503443, 529940, 634220, 1006886, 2013772, 2517215, 5034430, 10068860, 44223493, 88446986, 176893972, 221117465, 442234930, 840246367, 884469860, 1680492734, 3360985468, 4201231835, 8402463670, 16804927340]

約数ペア:

[(1, 16804927340), (2, 8402463670), (4, 4201231835), (5, 3360985468), (10, 1680492734), (19, 884469860), (20, 840246367), (38, 442234930), (76, 221117465), (95, 176893972), (190, 88446986), (380, 44223493), (1669, 10068860), (3338, 5034430), (6676, 2517215), (8345, 2013772), (16690, 1006886), (26497, 634220), (31711, 529940), (33380, 503443), (52994, 317110), (63422, 264970), (105988, 158555), (126844, 132485)]