18904704

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 61918080

約数和(自身を除く): 43013376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 541, 546, 624, 672, 728, 832, 896, 1082, 1092, 1248, 1344, 1456, 1623, 1664, 2164, 2184, 2496, 2688, 2912, 3246, 3787, 4328, 4368, 4992, 5824, 6492, 7033, 7574, 8656, 8736, 11361, 11648, 12984, 14066, 15148, 17312, 17472, 21099, 22722, 25968, 28132, 30296, 34624, 34944, 42198, 45444, 49231, 51936, 56264, 60592, 69248, 84396, 90888, 98462, 103872, 112528, 121184, 147693, 168792, 181776, 196924, 207744, 225056, 242368, 295386, 337584, 363552, 393848, 450112, 484736, 590772, 675168, 727104, 787696, 900224, 1181544, 1350336, 1454208, 1575392, 2363088, 2700672, 3150784, 4726176, 6301568, 9452352, 18904704]

約数ペア:

[(1, 18904704), (2, 9452352), (3, 6301568), (4, 4726176), (6, 3150784), (7, 2700672), (8, 2363088), (12, 1575392), (13, 1454208), (14, 1350336), (16, 1181544), (21, 900224), (24, 787696), (26, 727104), (28, 675168), (32, 590772), (39, 484736), (42, 450112), (48, 393848), (52, 363552), (56, 337584), (64, 295386), (78, 242368), (84, 225056), (91, 207744), (96, 196924), (104, 181776), (112, 168792), (128, 147693), (156, 121184), (168, 112528), (182, 103872), (192, 98462), (208, 90888), (224, 84396), (273, 69248), (312, 60592), (336, 56264), (364, 51936), (384, 49231), (416, 45444), (448, 42198), (541, 34944), (546, 34624), (624, 30296), (672, 28132), (728, 25968), (832, 22722), (896, 21099), (1082, 17472), (1092, 17312), (1248, 15148), (1344, 14066), (1456, 12984), (1623, 11648), (1664, 11361), (2164, 8736), (2184, 8656), (2496, 7574), (2688, 7033), (2912, 6492), (3246, 5824), (3787, 4992), (4328, 4368)]