18935730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 55531008

約数和(自身を除く): 36595278

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 45, 55, 62, 66, 90, 93, 99, 110, 155, 165, 186, 198, 279, 310, 330, 341, 465, 495, 558, 617, 682, 930, 990, 1023, 1234, 1395, 1705, 1851, 2046, 2790, 3069, 3085, 3410, 3702, 5115, 5553, 6138, 6170, 6787, 9255, 10230, 11106, 13574, 15345, 18510, 19127, 20361, 27765, 30690, 33935, 38254, 40722, 55530, 57381, 61083, 67870, 95635, 101805, 114762, 122166, 172143, 191270, 203610, 210397, 286905, 305415, 344286, 420794, 573810, 610830, 631191, 860715, 1051985, 1262382, 1721430, 1893573, 2103970, 3155955, 3787146, 6311910, 9467865, 18935730]

約数ペア:

[(1, 18935730), (2, 9467865), (3, 6311910), (5, 3787146), (6, 3155955), (9, 2103970), (10, 1893573), (11, 1721430), (15, 1262382), (18, 1051985), (22, 860715), (30, 631191), (31, 610830), (33, 573810), (45, 420794), (55, 344286), (62, 305415), (66, 286905), (90, 210397), (93, 203610), (99, 191270), (110, 172143), (155, 122166), (165, 114762), (186, 101805), (198, 95635), (279, 67870), (310, 61083), (330, 57381), (341, 55530), (465, 40722), (495, 38254), (558, 33935), (617, 30690), (682, 27765), (930, 20361), (990, 19127), (1023, 18510), (1234, 15345), (1395, 13574), (1705, 11106), (1851, 10230), (2046, 9255), (2790, 6787), (3069, 6170), (3085, 6138), (3410, 5553), (3702, 5115)]