19252149

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 32230080

約数和(自身を除く): 12977931

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 113, 133, 147, 183, 339, 399, 427, 791, 931, 1159, 1281, 2147, 2373, 2793, 2989, 3477, 5537, 6441, 6893, 8113, 8967, 15029, 16611, 20679, 24339, 45087, 48251, 56791, 105203, 130967, 144753, 170373, 315609, 337757, 392901, 916769, 1013271, 2750307, 6417383, 19252149]

約数ペア:

[(1, 19252149), (3, 6417383), (7, 2750307), (19, 1013271), (21, 916769), (49, 392901), (57, 337757), (61, 315609), (113, 170373), (133, 144753), (147, 130967), (183, 105203), (339, 56791), (399, 48251), (427, 45087), (791, 24339), (931, 20679), (1159, 16611), (1281, 15029), (2147, 8967), (2373, 8113), (2793, 6893), (2989, 6441), (3477, 5537)]