18100715720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1\times {\mathrm{32413}}^1$

素因数の和:33054

約数の個数: 64

約数和(自身を含む): 42568657920

約数和(自身を除く): 24467942200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 607, 920, 1214, 2428, 3035, 4856, 6070, 12140, 13961, 24280, 27922, 32413, 55844, 64826, 69805, 111688, 129652, 139610, 162065, 259304, 279220, 324130, 558440, 648260, 745499, 1296520, 1490998, 2981996, 3727495, 5963992, 7454990, 14909980, 19674691, 29819960, 39349382, 78698764, 98373455, 157397528, 196746910, 393493820, 452517893, 786987640, 905035786, 1810071572, 2262589465, 3620143144, 4525178930, 9050357860, 18100715720]

約数ペア:

[(1, 18100715720), (2, 9050357860), (4, 4525178930), (5, 3620143144), (8, 2262589465), (10, 1810071572), (20, 905035786), (23, 786987640), (40, 452517893), (46, 393493820), (92, 196746910), (115, 157397528), (184, 98373455), (230, 78698764), (460, 39349382), (607, 29819960), (920, 19674691), (1214, 14909980), (2428, 7454990), (3035, 5963992), (4856, 3727495), (6070, 2981996), (12140, 1490998), (13961, 1296520), (24280, 745499), (27922, 648260), (32413, 558440), (55844, 324130), (64826, 279220), (69805, 259304), (111688, 162065), (129652, 139610)]