18437958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 50948352

約数和(自身を除く): 32510394

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 53, 63, 66, 77, 99, 106, 126, 154, 159, 198, 231, 251, 318, 371, 462, 477, 502, 583, 693, 742, 753, 954, 1113, 1166, 1386, 1506, 1749, 1757, 2226, 2259, 2761, 3339, 3498, 3514, 4081, 4518, 5247, 5271, 5522, 6678, 8162, 8283, 10494, 10542, 12243, 13303, 15813, 16566, 19327, 24486, 24849, 26606, 31626, 36729, 38654, 39909, 49698, 57981, 73458, 79818, 93121, 115962, 119727, 146333, 173943, 186242, 239454, 279363, 292666, 347886, 438999, 558726, 838089, 877998, 1024331, 1316997, 1676178, 2048662, 2633994, 3072993, 6145986, 9218979, 18437958]

約数ペア:

[(1, 18437958), (2, 9218979), (3, 6145986), (6, 3072993), (7, 2633994), (9, 2048662), (11, 1676178), (14, 1316997), (18, 1024331), (21, 877998), (22, 838089), (33, 558726), (42, 438999), (53, 347886), (63, 292666), (66, 279363), (77, 239454), (99, 186242), (106, 173943), (126, 146333), (154, 119727), (159, 115962), (198, 93121), (231, 79818), (251, 73458), (318, 57981), (371, 49698), (462, 39909), (477, 38654), (502, 36729), (583, 31626), (693, 26606), (742, 24849), (753, 24486), (954, 19327), (1113, 16566), (1166, 15813), (1386, 13303), (1506, 12243), (1749, 10542), (1757, 10494), (2226, 8283), (2259, 8162), (2761, 6678), (3339, 5522), (3498, 5271), (3514, 5247), (4081, 4518)]