19019790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{907}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 49718448

約数和(自身を除く): 30698658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233, 466, 699, 907, 1165, 1398, 1814, 2097, 2330, 2721, 3495, 4194, 4535, 5442, 6990, 8163, 9070, 10485, 13605, 16326, 20970, 27210, 40815, 81630, 211331, 422662, 633993, 1056655, 1267986, 1901979, 2113310, 3169965, 3803958, 6339930, 9509895, 19019790]

約数ペア:

[(1, 19019790), (2, 9509895), (3, 6339930), (5, 3803958), (6, 3169965), (9, 2113310), (10, 1901979), (15, 1267986), (18, 1056655), (30, 633993), (45, 422662), (90, 211331), (233, 81630), (466, 40815), (699, 27210), (907, 20970), (1165, 16326), (1398, 13605), (1814, 10485), (2097, 9070), (2330, 8163), (2721, 6990), (3495, 5442), (4194, 4535)]