16780938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 20486838

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 311, 391, 529, 622, 782, 933, 1058, 1173, 1587, 1866, 2346, 3174, 5287, 7153, 8993, 10574, 14306, 15861, 17986, 21459, 26979, 31722, 42918, 53958, 121601, 164519, 243202, 329038, 364803, 493557, 729606, 987114, 2796823, 5593646, 8390469, 16780938]

約数ペア:

[(1, 16780938), (2, 8390469), (3, 5593646), (6, 2796823), (17, 987114), (23, 729606), (34, 493557), (46, 364803), (51, 329038), (69, 243202), (102, 164519), (138, 121601), (311, 53958), (391, 42918), (529, 31722), (622, 26979), (782, 21459), (933, 17986), (1058, 15861), (1173, 14306), (1587, 10574), (1866, 8993), (2346, 7153), (3174, 5287)]