19939572

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 55141632

約数和(自身を除く): 35202060

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1051, 1054, 1116, 1581, 2102, 2108, 3153, 3162, 4204, 4743, 6306, 6324, 9459, 9486, 12612, 17867, 18918, 18972, 32581, 35734, 37836, 53601, 65162, 71468, 97743, 107202, 130324, 160803, 195486, 214404, 293229, 321606, 390972, 553877, 586458, 643212, 1107754, 1172916, 1661631, 2215508, 3323262, 4984893, 6646524, 9969786, 19939572]

約数ペア:

[(1, 19939572), (2, 9969786), (3, 6646524), (4, 4984893), (6, 3323262), (9, 2215508), (12, 1661631), (17, 1172916), (18, 1107754), (31, 643212), (34, 586458), (36, 553877), (51, 390972), (62, 321606), (68, 293229), (93, 214404), (102, 195486), (124, 160803), (153, 130324), (186, 107202), (204, 97743), (279, 71468), (306, 65162), (372, 53601), (527, 37836), (558, 35734), (612, 32581), (1051, 18972), (1054, 18918), (1116, 17867), (1581, 12612), (2102, 9486), (2108, 9459), (3153, 6324), (3162, 6306), (4204, 4743)]