18613296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 120

約数和(自身を含む): 57367856

約数和(自身を除く): 38754560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 61, 72, 78, 104, 117, 122, 144, 156, 163, 183, 208, 234, 244, 312, 326, 366, 468, 488, 489, 549, 624, 652, 732, 793, 936, 976, 978, 1098, 1304, 1464, 1467, 1586, 1872, 1956, 2119, 2196, 2379, 2608, 2928, 2934, 3172, 3912, 4238, 4392, 4758, 5868, 6344, 6357, 7137, 7824, 8476, 8784, 9516, 9943, 11736, 12688, 12714, 14274, 16952, 19032, 19071, 19886, 23472, 25428, 28548, 29829, 33904, 38064, 38142, 39772, 50856, 57096, 59658, 76284, 79544, 89487, 101712, 114192, 119316, 129259, 152568, 159088, 178974, 238632, 258518, 305136, 357948, 387777, 477264, 517036, 715896, 775554, 1034072, 1163331, 1431792, 1551108, 2068144, 2326662, 3102216, 4653324, 6204432, 9306648, 18613296]

約数ペア:

[(1, 18613296), (2, 9306648), (3, 6204432), (4, 4653324), (6, 3102216), (8, 2326662), (9, 2068144), (12, 1551108), (13, 1431792), (16, 1163331), (18, 1034072), (24, 775554), (26, 715896), (36, 517036), (39, 477264), (48, 387777), (52, 357948), (61, 305136), (72, 258518), (78, 238632), (104, 178974), (117, 159088), (122, 152568), (144, 129259), (156, 119316), (163, 114192), (183, 101712), (208, 89487), (234, 79544), (244, 76284), (312, 59658), (326, 57096), (366, 50856), (468, 39772), (488, 38142), (489, 38064), (549, 33904), (624, 29829), (652, 28548), (732, 25428), (793, 23472), (936, 19886), (976, 19071), (978, 19032), (1098, 16952), (1304, 14274), (1464, 12714), (1467, 12688), (1586, 11736), (1872, 9943), (1956, 9516), (2119, 8784), (2196, 8476), (2379, 7824), (2608, 7137), (2928, 6357), (2934, 6344), (3172, 5868), (3912, 4758), (4238, 4392)]