19419015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 43794432

約数和(自身を除く): 24375417

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 23, 33, 35, 43, 51, 55, 69, 77, 85, 105, 115, 119, 129, 161, 165, 187, 215, 231, 253, 255, 301, 345, 357, 385, 391, 473, 483, 561, 595, 645, 731, 759, 805, 903, 935, 989, 1155, 1173, 1265, 1309, 1419, 1505, 1771, 1785, 1955, 2193, 2365, 2415, 2737, 2805, 2967, 3311, 3655, 3795, 3927, 4301, 4515, 4945, 5117, 5313, 5865, 6545, 6923, 7095, 8041, 8211, 8855, 9933, 10879, 10965, 12903, 13685, 14835, 15351, 16555, 16813, 19635, 20769, 21505, 24123, 25585, 26565, 30107, 32637, 34615, 40205, 41055, 49665, 50439, 54395, 56287, 64515, 76153, 76755, 84065, 90321, 103845, 117691, 120615, 150535, 163185, 168861, 184943, 228459, 252195, 281435, 353073, 380765, 451605, 554829, 588455, 844305, 924715, 1142295, 1294601, 1765365, 2774145, 3883803, 6473005, 19419015]

約数ペア:

[(1, 19419015), (3, 6473005), (5, 3883803), (7, 2774145), (11, 1765365), (15, 1294601), (17, 1142295), (21, 924715), (23, 844305), (33, 588455), (35, 554829), (43, 451605), (51, 380765), (55, 353073), (69, 281435), (77, 252195), (85, 228459), (105, 184943), (115, 168861), (119, 163185), (129, 150535), (161, 120615), (165, 117691), (187, 103845), (215, 90321), (231, 84065), (253, 76755), (255, 76153), (301, 64515), (345, 56287), (357, 54395), (385, 50439), (391, 49665), (473, 41055), (483, 40205), (561, 34615), (595, 32637), (645, 30107), (731, 26565), (759, 25585), (805, 24123), (903, 21505), (935, 20769), (989, 19635), (1155, 16813), (1173, 16555), (1265, 15351), (1309, 14835), (1419, 13685), (1505, 12903), (1771, 10965), (1785, 10879), (1955, 9933), (2193, 8855), (2365, 8211), (2415, 8041), (2737, 7095), (2805, 6923), (2967, 6545), (3311, 5865), (3655, 5313), (3795, 5117), (3927, 4945), (4301, 4515)]