18785844

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 42855372

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 251, 252, 297, 308, 324, 378, 396, 462, 486, 502, 567, 594, 693, 753, 756, 891, 924, 972, 1004, 1134, 1188, 1386, 1506, 1701, 1757, 1782, 2079, 2259, 2268, 2673, 2761, 2772, 3012, 3402, 3514, 3564, 4158, 4518, 5271, 5346, 5522, 6237, 6777, 6804, 7028, 8283, 8316, 9036, 10542, 10692, 11044, 12474, 13554, 15813, 16566, 18711, 19327, 20331, 21084, 24849, 24948, 27108, 31626, 33132, 37422, 38654, 40662, 47439, 49698, 57981, 60993, 63252, 74547, 74844, 77308, 81324, 94878, 99396, 115962, 121986, 142317, 149094, 173943, 189756, 223641, 231924, 243972, 284634, 298188, 347886, 426951, 447282, 521829, 569268, 670923, 695772, 853902, 894564, 1043658, 1341846, 1565487, 1707804, 2087316, 2683692, 3130974, 4696461, 6261948, 9392922, 18785844]

約数ペア:

[(1, 18785844), (2, 9392922), (3, 6261948), (4, 4696461), (6, 3130974), (7, 2683692), (9, 2087316), (11, 1707804), (12, 1565487), (14, 1341846), (18, 1043658), (21, 894564), (22, 853902), (27, 695772), (28, 670923), (33, 569268), (36, 521829), (42, 447282), (44, 426951), (54, 347886), (63, 298188), (66, 284634), (77, 243972), (81, 231924), (84, 223641), (99, 189756), (108, 173943), (126, 149094), (132, 142317), (154, 121986), (162, 115962), (189, 99396), (198, 94878), (231, 81324), (243, 77308), (251, 74844), (252, 74547), (297, 63252), (308, 60993), (324, 57981), (378, 49698), (396, 47439), (462, 40662), (486, 38654), (502, 37422), (567, 33132), (594, 31626), (693, 27108), (753, 24948), (756, 24849), (891, 21084), (924, 20331), (972, 19327), (1004, 18711), (1134, 16566), (1188, 15813), (1386, 13554), (1506, 12474), (1701, 11044), (1757, 10692), (1782, 10542), (2079, 9036), (2259, 8316), (2268, 8283), (2673, 7028), (2761, 6804), (2772, 6777), (3012, 6237), (3402, 5522), (3514, 5346), (3564, 5271), (4158, 4518)]