18931900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{14563}}^1$

素因数の和:14590

約数の個数: 36

約数和(自身を含む): 44245432

約数和(自身を除く): 25313532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 14563, 29126, 58252, 72815, 145630, 189319, 291260, 364075, 378638, 728150, 757276, 946595, 1456300, 1893190, 3786380, 4732975, 9465950, 18931900]

約数ペア:

[(1, 18931900), (2, 9465950), (4, 4732975), (5, 3786380), (10, 1893190), (13, 1456300), (20, 946595), (25, 757276), (26, 728150), (50, 378638), (52, 364075), (65, 291260), (100, 189319), (130, 145630), (260, 72815), (325, 58252), (650, 29126), (1300, 14563)]