19671372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 57238272

約数和(自身を除く): 37566900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 311, 502, 622, 753, 933, 1004, 1244, 1506, 1757, 1866, 2177, 2259, 2799, 3012, 3514, 3732, 4354, 4518, 5271, 5598, 6531, 7028, 8708, 9036, 10542, 11196, 13062, 15813, 19593, 21084, 26124, 31626, 39186, 63252, 78061, 78372, 156122, 234183, 312244, 468366, 546427, 702549, 936732, 1092854, 1405098, 1639281, 2185708, 2810196, 3278562, 4917843, 6557124, 9835686, 19671372]

約数ペア:

[(1, 19671372), (2, 9835686), (3, 6557124), (4, 4917843), (6, 3278562), (7, 2810196), (9, 2185708), (12, 1639281), (14, 1405098), (18, 1092854), (21, 936732), (28, 702549), (36, 546427), (42, 468366), (63, 312244), (84, 234183), (126, 156122), (251, 78372), (252, 78061), (311, 63252), (502, 39186), (622, 31626), (753, 26124), (933, 21084), (1004, 19593), (1244, 15813), (1506, 13062), (1757, 11196), (1866, 10542), (2177, 9036), (2259, 8708), (2799, 7028), (3012, 6531), (3514, 5598), (3732, 5271), (4354, 4518)]