18702992

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 51425280

約数和(自身を除く): 32722288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 19, 22, 28, 34, 38, 44, 47, 56, 68, 76, 77, 88, 94, 112, 119, 133, 136, 152, 154, 176, 187, 188, 209, 238, 266, 272, 304, 308, 323, 329, 374, 376, 418, 476, 517, 532, 616, 646, 658, 748, 752, 799, 836, 893, 952, 1034, 1064, 1232, 1292, 1309, 1316, 1463, 1496, 1598, 1672, 1786, 1904, 2068, 2128, 2261, 2584, 2618, 2632, 2926, 2992, 3196, 3344, 3553, 3572, 3619, 4136, 4522, 5168, 5236, 5264, 5593, 5852, 6251, 6392, 7106, 7144, 7238, 8272, 8789, 9044, 9823, 10472, 11186, 11704, 12502, 12784, 14212, 14288, 14476, 15181, 17578, 18088, 19646, 20944, 22372, 23408, 24871, 25004, 28424, 28952, 30362, 35156, 36176, 39292, 44744, 49742, 50008, 56848, 57904, 60724, 61523, 68761, 70312, 78584, 89488, 99484, 100016, 106267, 121448, 123046, 137522, 140624, 157168, 166991, 198968, 212534, 242896, 246092, 275044, 333982, 397936, 425068, 492184, 550088, 667964, 850136, 984368, 1100176, 1168937, 1335928, 1700272, 2337874, 2671856, 4675748, 9351496, 18702992]

約数ペア:

[(1, 18702992), (2, 9351496), (4, 4675748), (7, 2671856), (8, 2337874), (11, 1700272), (14, 1335928), (16, 1168937), (17, 1100176), (19, 984368), (22, 850136), (28, 667964), (34, 550088), (38, 492184), (44, 425068), (47, 397936), (56, 333982), (68, 275044), (76, 246092), (77, 242896), (88, 212534), (94, 198968), (112, 166991), (119, 157168), (133, 140624), (136, 137522), (152, 123046), (154, 121448), (176, 106267), (187, 100016), (188, 99484), (209, 89488), (238, 78584), (266, 70312), (272, 68761), (304, 61523), (308, 60724), (323, 57904), (329, 56848), (374, 50008), (376, 49742), (418, 44744), (476, 39292), (517, 36176), (532, 35156), (616, 30362), (646, 28952), (658, 28424), (748, 25004), (752, 24871), (799, 23408), (836, 22372), (893, 20944), (952, 19646), (1034, 18088), (1064, 17578), (1232, 15181), (1292, 14476), (1309, 14288), (1316, 14212), (1463, 12784), (1496, 12502), (1598, 11704), (1672, 11186), (1786, 10472), (1904, 9823), (2068, 9044), (2128, 8789), (2261, 8272), (2584, 7238), (2618, 7144), (2632, 7106), (2926, 6392), (2992, 6251), (3196, 5852), (3344, 5593), (3553, 5264), (3572, 5236), (3619, 5168), (4136, 4522)]