18661300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 47246976

約数和(自身を除く): 28585676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 503, 530, 700, 742, 1006, 1060, 1325, 1484, 1855, 2012, 2515, 2650, 3521, 3710, 5030, 5300, 7042, 7420, 9275, 10060, 12575, 14084, 17605, 18550, 25150, 26659, 35210, 37100, 50300, 53318, 70420, 88025, 106636, 133295, 176050, 186613, 266590, 352100, 373226, 533180, 666475, 746452, 933065, 1332950, 1866130, 2665900, 3732260, 4665325, 9330650, 18661300]

約数ペア:

[(1, 18661300), (2, 9330650), (4, 4665325), (5, 3732260), (7, 2665900), (10, 1866130), (14, 1332950), (20, 933065), (25, 746452), (28, 666475), (35, 533180), (50, 373226), (53, 352100), (70, 266590), (100, 186613), (106, 176050), (140, 133295), (175, 106636), (212, 88025), (265, 70420), (350, 53318), (371, 50300), (503, 37100), (530, 35210), (700, 26659), (742, 25150), (1006, 18550), (1060, 17605), (1325, 14084), (1484, 12575), (1855, 10060), (2012, 9275), (2515, 7420), (2650, 7042), (3521, 5300), (3710, 5030)]