18466720

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 43914528

約数和(自身を除く): 25447808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 547, 844, 1055, 1094, 1688, 2110, 2188, 2735, 3376, 4220, 4376, 5470, 6752, 8440, 8752, 10940, 16880, 17504, 21880, 33760, 43760, 87520, 115417, 230834, 461668, 577085, 923336, 1154170, 1846672, 2308340, 3693344, 4616680, 9233360, 18466720]

約数ペア:

[(1, 18466720), (2, 9233360), (4, 4616680), (5, 3693344), (8, 2308340), (10, 1846672), (16, 1154170), (20, 923336), (32, 577085), (40, 461668), (80, 230834), (160, 115417), (211, 87520), (422, 43760), (547, 33760), (844, 21880), (1055, 17504), (1094, 16880), (1688, 10940), (2110, 8752), (2188, 8440), (2735, 6752), (3376, 5470), (4220, 4376)]