19279923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 10137549

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 431, 481, 1147, 1209, 1293, 1443, 3441, 5603, 13361, 14911, 15947, 16809, 40083, 44733, 47841, 173693, 207311, 494357, 521079, 621933, 1483071, 6426641, 19279923]

約数ペア:

[(1, 19279923), (3, 6426641), (13, 1483071), (31, 621933), (37, 521079), (39, 494357), (93, 207311), (111, 173693), (403, 47841), (431, 44733), (481, 40083), (1147, 16809), (1209, 15947), (1293, 14911), (1443, 13361), (3441, 5603)]