18999930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21839}}^1$

素因数の和:21878

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 28174470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21839, 43678, 65517, 109195, 131034, 218390, 327585, 633331, 655170, 1266662, 1899993, 3166655, 3799986, 6333310, 9499965, 18999930]

約数ペア:

[(1, 18999930), (2, 9499965), (3, 6333310), (5, 3799986), (6, 3166655), (10, 1899993), (15, 1266662), (29, 655170), (30, 633331), (58, 327585), (87, 218390), (145, 131034), (174, 109195), (290, 65517), (435, 43678), (870, 21839)]