19638684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1499

約数の個数: 72

約数和(自身を含む): 55342560

約数和(自身を除く): 35703876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1447, 1508, 2262, 2894, 3393, 4341, 4524, 5788, 6786, 8682, 13023, 13572, 17364, 18811, 26046, 37622, 41963, 52092, 56433, 75244, 83926, 112866, 125889, 167852, 169299, 225732, 251778, 338598, 377667, 503556, 545519, 677196, 755334, 1091038, 1510668, 1636557, 2182076, 3273114, 4909671, 6546228, 9819342, 19638684]

約数ペア:

[(1, 19638684), (2, 9819342), (3, 6546228), (4, 4909671), (6, 3273114), (9, 2182076), (12, 1636557), (13, 1510668), (18, 1091038), (26, 755334), (29, 677196), (36, 545519), (39, 503556), (52, 377667), (58, 338598), (78, 251778), (87, 225732), (116, 169299), (117, 167852), (156, 125889), (174, 112866), (234, 83926), (261, 75244), (348, 56433), (377, 52092), (468, 41963), (522, 37622), (754, 26046), (1044, 18811), (1131, 17364), (1447, 13572), (1508, 13023), (2262, 8682), (2894, 6786), (3393, 5788), (4341, 4524)]