19156356

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 51105600

約数和(自身を除く): 31949244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 59, 87, 116, 118, 174, 177, 236, 261, 311, 348, 354, 522, 531, 622, 708, 933, 1044, 1062, 1244, 1711, 1866, 2124, 2799, 3422, 3732, 5133, 5598, 6844, 9019, 10266, 11196, 15399, 18038, 18349, 20532, 27057, 30798, 36076, 36698, 54114, 55047, 61596, 73396, 81171, 108228, 110094, 162342, 165141, 220188, 324684, 330282, 532121, 660564, 1064242, 1596363, 2128484, 3192726, 4789089, 6385452, 9578178, 19156356]

約数ペア:

[(1, 19156356), (2, 9578178), (3, 6385452), (4, 4789089), (6, 3192726), (9, 2128484), (12, 1596363), (18, 1064242), (29, 660564), (36, 532121), (58, 330282), (59, 324684), (87, 220188), (116, 165141), (118, 162342), (174, 110094), (177, 108228), (236, 81171), (261, 73396), (311, 61596), (348, 55047), (354, 54114), (522, 36698), (531, 36076), (622, 30798), (708, 27057), (933, 20532), (1044, 18349), (1062, 18038), (1244, 15399), (1711, 11196), (1866, 10266), (2124, 9019), (2799, 6844), (3422, 5598), (3732, 5133)]