18993436670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2357}}^1\times {\mathrm{61987}}^1$

素因数の和:64364

約数の個数: 32

約数和(自身を含む): 36834261408

約数和(自身を除く): 17840824738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2357, 4714, 11785, 23570, 30641, 61282, 61987, 123974, 153205, 306410, 309935, 619870, 805831, 1611662, 4029155, 8058310, 146103359, 292206718, 730516795, 1461033590, 1899343667, 3798687334, 9496718335, 18993436670]

約数ペア:

[(1, 18993436670), (2, 9496718335), (5, 3798687334), (10, 1899343667), (13, 1461033590), (26, 730516795), (65, 292206718), (130, 146103359), (2357, 8058310), (4714, 4029155), (11785, 1611662), (23570, 805831), (30641, 619870), (61282, 309935), (61987, 306410), (123974, 153205)]