19716810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 29894070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 131, 145, 173, 174, 262, 290, 346, 393, 435, 519, 655, 786, 865, 870, 1038, 1310, 1730, 1965, 2595, 3799, 3930, 5017, 5190, 7598, 10034, 11397, 15051, 18995, 22663, 22794, 25085, 30102, 37990, 45326, 50170, 56985, 67989, 75255, 113315, 113970, 135978, 150510, 226630, 339945, 657227, 679890, 1314454, 1971681, 3286135, 3943362, 6572270, 9858405, 19716810]

約数ペア:

[(1, 19716810), (2, 9858405), (3, 6572270), (5, 3943362), (6, 3286135), (10, 1971681), (15, 1314454), (29, 679890), (30, 657227), (58, 339945), (87, 226630), (131, 150510), (145, 135978), (173, 113970), (174, 113315), (262, 75255), (290, 67989), (346, 56985), (393, 50170), (435, 45326), (519, 37990), (655, 30102), (786, 25085), (865, 22794), (870, 22663), (1038, 18995), (1310, 15051), (1730, 11397), (1965, 10034), (2595, 7598), (3799, 5190), (3930, 5017)]