19655340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14243}}^1$

素因数の和:14278

約数の個数: 48

約数和(自身を含む): 57431808

約数和(自身を除く): 37776468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14243, 28486, 42729, 56972, 71215, 85458, 142430, 170916, 213645, 284860, 327589, 427290, 655178, 854580, 982767, 1310356, 1637945, 1965534, 3275890, 3931068, 4913835, 6551780, 9827670, 19655340]

約数ペア:

[(1, 19655340), (2, 9827670), (3, 6551780), (4, 4913835), (5, 3931068), (6, 3275890), (10, 1965534), (12, 1637945), (15, 1310356), (20, 982767), (23, 854580), (30, 655178), (46, 427290), (60, 327589), (69, 284860), (92, 213645), (115, 170916), (138, 142430), (230, 85458), (276, 71215), (345, 56972), (460, 42729), (690, 28486), (1380, 14243)]