19132280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4931}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 43500240

約数和(自身を除く): 24367960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4931, 9862, 19724, 24655, 39448, 49310, 98620, 197240, 478307, 956614, 1913228, 2391535, 3826456, 4783070, 9566140, 19132280]

約数ペア:

[(1, 19132280), (2, 9566140), (4, 4783070), (5, 3826456), (8, 2391535), (10, 1913228), (20, 956614), (40, 478307), (97, 197240), (194, 98620), (388, 49310), (485, 39448), (776, 24655), (970, 19724), (1940, 9862), (3880, 4931)]