18719904

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 56972160

約数和(自身を除く): 38252256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 89, 96, 112, 168, 178, 224, 267, 313, 336, 356, 534, 623, 626, 672, 712, 939, 1068, 1246, 1252, 1424, 1869, 1878, 2136, 2191, 2492, 2504, 2848, 3738, 3756, 4272, 4382, 4984, 5008, 6573, 7476, 7512, 8544, 8764, 9968, 10016, 13146, 14952, 15024, 17528, 19936, 26292, 27857, 29904, 30048, 35056, 52584, 55714, 59808, 70112, 83571, 105168, 111428, 167142, 194999, 210336, 222856, 334284, 389998, 445712, 584997, 668568, 779996, 891424, 1169994, 1337136, 1559992, 2339988, 2674272, 3119984, 4679976, 6239968, 9359952, 18719904]

約数ペア:

[(1, 18719904), (2, 9359952), (3, 6239968), (4, 4679976), (6, 3119984), (7, 2674272), (8, 2339988), (12, 1559992), (14, 1337136), (16, 1169994), (21, 891424), (24, 779996), (28, 668568), (32, 584997), (42, 445712), (48, 389998), (56, 334284), (84, 222856), (89, 210336), (96, 194999), (112, 167142), (168, 111428), (178, 105168), (224, 83571), (267, 70112), (313, 59808), (336, 55714), (356, 52584), (534, 35056), (623, 30048), (626, 29904), (672, 27857), (712, 26292), (939, 19936), (1068, 17528), (1246, 15024), (1252, 14952), (1424, 13146), (1869, 10016), (1878, 9968), (2136, 8764), (2191, 8544), (2492, 7512), (2504, 7476), (2848, 6573), (3738, 5008), (3756, 4984), (4272, 4382)]