18549040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 47729088

約数和(自身を除く): 29180048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 593, 680, 782, 920, 1186, 1360, 1564, 1840, 1955, 2372, 2965, 3128, 3910, 4744, 5930, 6256, 7820, 9488, 10081, 11860, 13639, 15640, 20162, 23720, 27278, 31280, 40324, 47440, 50405, 54556, 68195, 80648, 100810, 109112, 136390, 161296, 201620, 218224, 231863, 272780, 403240, 463726, 545560, 806480, 927452, 1091120, 1159315, 1854904, 2318630, 3709808, 4637260, 9274520, 18549040]

約数ペア:

[(1, 18549040), (2, 9274520), (4, 4637260), (5, 3709808), (8, 2318630), (10, 1854904), (16, 1159315), (17, 1091120), (20, 927452), (23, 806480), (34, 545560), (40, 463726), (46, 403240), (68, 272780), (80, 231863), (85, 218224), (92, 201620), (115, 161296), (136, 136390), (170, 109112), (184, 100810), (230, 80648), (272, 68195), (340, 54556), (368, 50405), (391, 47440), (460, 40324), (593, 31280), (680, 27278), (782, 23720), (920, 20162), (1186, 15640), (1360, 13639), (1564, 11860), (1840, 10081), (1955, 9488), (2372, 7820), (2965, 6256), (3128, 5930), (3910, 4744)]