17671820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 39711168

約数和(自身を除く): 22039348

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 937, 943, 1874, 1886, 3748, 3772, 4685, 4715, 9370, 9430, 18740, 18860, 21551, 38417, 43102, 76834, 86204, 107755, 153668, 192085, 215510, 384170, 431020, 768340, 883591, 1767182, 3534364, 4417955, 8835910, 17671820]

約数ペア:

[(1, 17671820), (2, 8835910), (4, 4417955), (5, 3534364), (10, 1767182), (20, 883591), (23, 768340), (41, 431020), (46, 384170), (82, 215510), (92, 192085), (115, 153668), (164, 107755), (205, 86204), (230, 76834), (410, 43102), (460, 38417), (820, 21551), (937, 18860), (943, 18740), (1874, 9430), (1886, 9370), (3748, 4715), (3772, 4685)]