19848246

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25770954

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 89, 93, 109, 178, 186, 218, 267, 327, 341, 534, 654, 682, 979, 1023, 1199, 1958, 2046, 2398, 2759, 2937, 3379, 3597, 5518, 5874, 6758, 7194, 8277, 9701, 10137, 16554, 19402, 20274, 29103, 30349, 37169, 58206, 60698, 74338, 91047, 106711, 111507, 182094, 213422, 223014, 300731, 320133, 601462, 640266, 902193, 1804386, 3308041, 6616082, 9924123, 19848246]

約数ペア:

[(1, 19848246), (2, 9924123), (3, 6616082), (6, 3308041), (11, 1804386), (22, 902193), (31, 640266), (33, 601462), (62, 320133), (66, 300731), (89, 223014), (93, 213422), (109, 182094), (178, 111507), (186, 106711), (218, 91047), (267, 74338), (327, 60698), (341, 58206), (534, 37169), (654, 30349), (682, 29103), (979, 20274), (1023, 19402), (1199, 16554), (1958, 10137), (2046, 9701), (2398, 8277), (2759, 7194), (2937, 6758), (3379, 5874), (3597, 5518)]