19891116

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 39943764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 83, 84, 108, 126, 166, 189, 249, 252, 317, 332, 378, 498, 581, 634, 747, 756, 951, 996, 1162, 1268, 1494, 1743, 1902, 2219, 2241, 2324, 2853, 2988, 3486, 3804, 4438, 4482, 5229, 5706, 6657, 6972, 8559, 8876, 8964, 10458, 11412, 13314, 15687, 17118, 19971, 20916, 26311, 26628, 31374, 34236, 39942, 52622, 59913, 62748, 78933, 79884, 105244, 119826, 157866, 184177, 236799, 239652, 315732, 368354, 473598, 552531, 710397, 736708, 947196, 1105062, 1420794, 1657593, 2210124, 2841588, 3315186, 4972779, 6630372, 9945558, 19891116]

約数ペア:

[(1, 19891116), (2, 9945558), (3, 6630372), (4, 4972779), (6, 3315186), (7, 2841588), (9, 2210124), (12, 1657593), (14, 1420794), (18, 1105062), (21, 947196), (27, 736708), (28, 710397), (36, 552531), (42, 473598), (54, 368354), (63, 315732), (83, 239652), (84, 236799), (108, 184177), (126, 157866), (166, 119826), (189, 105244), (249, 79884), (252, 78933), (317, 62748), (332, 59913), (378, 52622), (498, 39942), (581, 34236), (634, 31374), (747, 26628), (756, 26311), (951, 20916), (996, 19971), (1162, 17118), (1268, 15687), (1494, 13314), (1743, 11412), (1902, 10458), (2219, 8964), (2241, 8876), (2324, 8559), (2853, 6972), (2988, 6657), (3486, 5706), (3804, 5229), (4438, 4482)]