18218480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32533}}^1$

素因数の和:32553

約数の個数: 40

約数和(自身を含む): 48410592

約数和(自身を除く): 30192112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32533, 65066, 130132, 162665, 227731, 260264, 325330, 455462, 520528, 650660, 910924, 1138655, 1301320, 1821848, 2277310, 2602640, 3643696, 4554620, 9109240, 18218480]

約数ペア:

[(1, 18218480), (2, 9109240), (4, 4554620), (5, 3643696), (7, 2602640), (8, 2277310), (10, 1821848), (14, 1301320), (16, 1138655), (20, 910924), (28, 650660), (35, 520528), (40, 455462), (56, 325330), (70, 260264), (80, 227731), (112, 162665), (140, 130132), (280, 65066), (560, 32533)]