19863720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2439

約数の個数: 96

約数和(自身を含む): 67392000

約数和(自身を除く): 47528280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2399, 2760, 4140, 4798, 7197, 8280, 9596, 11995, 14394, 19192, 21591, 23990, 28788, 35985, 43182, 47980, 55177, 57576, 71970, 86364, 95960, 107955, 110354, 143940, 165531, 172728, 215910, 220708, 275885, 287880, 331062, 431820, 441416, 496593, 551770, 662124, 827655, 863640, 993186, 1103540, 1324248, 1655310, 1986372, 2207080, 2482965, 3310620, 3972744, 4965930, 6621240, 9931860, 19863720]

約数ペア:

[(1, 19863720), (2, 9931860), (3, 6621240), (4, 4965930), (5, 3972744), (6, 3310620), (8, 2482965), (9, 2207080), (10, 1986372), (12, 1655310), (15, 1324248), (18, 1103540), (20, 993186), (23, 863640), (24, 827655), (30, 662124), (36, 551770), (40, 496593), (45, 441416), (46, 431820), (60, 331062), (69, 287880), (72, 275885), (90, 220708), (92, 215910), (115, 172728), (120, 165531), (138, 143940), (180, 110354), (184, 107955), (207, 95960), (230, 86364), (276, 71970), (345, 57576), (360, 55177), (414, 47980), (460, 43182), (552, 35985), (690, 28788), (828, 23990), (920, 21591), (1035, 19192), (1380, 14394), (1656, 11995), (2070, 9596), (2399, 8280), (2760, 7197), (4140, 4798)]