19446861

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 34283520

約数和(自身を除く): 14836659

約数列:

[1, 3, 7, 17, 19, 21, 47, 51, 57, 61, 119, 133, 141, 183, 323, 329, 357, 399, 427, 799, 893, 969, 987, 1037, 1159, 1281, 2261, 2397, 2679, 2867, 3111, 3477, 5593, 6251, 6783, 7259, 8113, 8601, 15181, 16779, 18753, 19703, 20069, 21777, 24339, 45543, 48739, 54473, 59109, 60207, 106267, 137921, 146217, 163419, 318801, 341173, 381311, 413763, 926041, 1023519, 1143933, 2778123, 6482287, 19446861]

約数ペア:

[(1, 19446861), (3, 6482287), (7, 2778123), (17, 1143933), (19, 1023519), (21, 926041), (47, 413763), (51, 381311), (57, 341173), (61, 318801), (119, 163419), (133, 146217), (141, 137921), (183, 106267), (323, 60207), (329, 59109), (357, 54473), (399, 48739), (427, 45543), (799, 24339), (893, 21777), (969, 20069), (987, 19703), (1037, 18753), (1159, 16779), (1281, 15181), (2261, 8601), (2397, 8113), (2679, 7259), (2867, 6783), (3111, 6251), (3477, 5593)]