21618001488

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{145423}}^1$

素因数の和:145616

約数の個数: 80

約数和(自身を含む): 59146849280

約数和(自身を除く): 37528847792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 163, 228, 304, 326, 456, 489, 652, 912, 978, 1304, 1956, 2608, 3097, 3912, 6194, 7824, 9291, 12388, 18582, 24776, 37164, 49552, 74328, 145423, 148656, 290846, 436269, 581692, 872538, 1163384, 1745076, 2326768, 2763037, 3490152, 5526074, 6980304, 8289111, 11052148, 16578222, 22104296, 23703949, 33156444, 44208592, 47407898, 66312888, 71111847, 94815796, 132625776, 142223694, 189631592, 284447388, 379263184, 450375031, 568894776, 900750062, 1137789552, 1351125093, 1801500124, 2702250186, 3603000248, 5404500372, 7206000496, 10809000744, 21618001488]

約数ペア:

[(1, 21618001488), (2, 10809000744), (3, 7206000496), (4, 5404500372), (6, 3603000248), (8, 2702250186), (12, 1801500124), (16, 1351125093), (19, 1137789552), (24, 900750062), (38, 568894776), (48, 450375031), (57, 379263184), (76, 284447388), (114, 189631592), (152, 142223694), (163, 132625776), (228, 94815796), (304, 71111847), (326, 66312888), (456, 47407898), (489, 44208592), (652, 33156444), (912, 23703949), (978, 22104296), (1304, 16578222), (1956, 11052148), (2608, 8289111), (3097, 6980304), (3912, 5526074), (6194, 3490152), (7824, 2763037), (9291, 2326768), (12388, 1745076), (18582, 1163384), (24776, 872538), (37164, 581692), (49552, 436269), (74328, 290846), (145423, 148656)]