19973580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 42296628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 53, 55, 60, 66, 106, 110, 132, 159, 165, 212, 220, 265, 318, 330, 530, 571, 583, 636, 660, 795, 1060, 1142, 1166, 1590, 1713, 1749, 2284, 2332, 2855, 2915, 3180, 3426, 3498, 5710, 5830, 6281, 6852, 6996, 8565, 8745, 11420, 11660, 12562, 17130, 17490, 18843, 25124, 30263, 31405, 34260, 34980, 37686, 60526, 62810, 75372, 90789, 94215, 121052, 125620, 151315, 181578, 188430, 302630, 332893, 363156, 376860, 453945, 605260, 665786, 907890, 998679, 1331572, 1664465, 1815780, 1997358, 3328930, 3994716, 4993395, 6657860, 9986790, 19973580]

約数ペア:

[(1, 19973580), (2, 9986790), (3, 6657860), (4, 4993395), (5, 3994716), (6, 3328930), (10, 1997358), (11, 1815780), (12, 1664465), (15, 1331572), (20, 998679), (22, 907890), (30, 665786), (33, 605260), (44, 453945), (53, 376860), (55, 363156), (60, 332893), (66, 302630), (106, 188430), (110, 181578), (132, 151315), (159, 125620), (165, 121052), (212, 94215), (220, 90789), (265, 75372), (318, 62810), (330, 60526), (530, 37686), (571, 34980), (583, 34260), (636, 31405), (660, 30263), (795, 25124), (1060, 18843), (1142, 17490), (1166, 17130), (1590, 12562), (1713, 11660), (1749, 11420), (2284, 8745), (2332, 8565), (2855, 6996), (2915, 6852), (3180, 6281), (3426, 5830), (3498, 5710)]