19006747660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2942221}}^1$

素因数の和:2942266

約数の個数: 48

約数和(自身を含む): 44486396640

約数和(自身を除く): 25479648980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 2942221, 5884442, 11768884, 14711105, 29422210, 50017757, 55902199, 58844420, 100035514, 111804398, 200071028, 223608796, 250088785, 279510995, 500177570, 559021990, 950337383, 1000355140, 1118043980, 1900674766, 3801349532, 4751686915, 9503373830, 19006747660]

約数ペア:

[(1, 19006747660), (2, 9503373830), (4, 4751686915), (5, 3801349532), (10, 1900674766), (17, 1118043980), (19, 1000355140), (20, 950337383), (34, 559021990), (38, 500177570), (68, 279510995), (76, 250088785), (85, 223608796), (95, 200071028), (170, 111804398), (190, 100035514), (323, 58844420), (340, 55902199), (380, 50017757), (646, 29422210), (1292, 14711105), (1615, 11768884), (3230, 5884442), (6460, 2942221)]