18919121382

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{320153}}^1$

素因数の和:320242

約数の個数: 72

約数和(自身を含む): 48395759256

約数和(自身を除く): 29476637874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 67, 98, 126, 134, 147, 201, 294, 402, 441, 469, 603, 882, 938, 1206, 1407, 2814, 3283, 4221, 6566, 8442, 9849, 19698, 29547, 59094, 320153, 640306, 960459, 1920918, 2241071, 2881377, 4482142, 5762754, 6723213, 13446426, 15687497, 20169639, 21450251, 31374994, 40339278, 42900502, 47062491, 64350753, 94124982, 128701506, 141187473, 150151757, 193052259, 282374946, 300303514, 386104518, 450455271, 900910542, 1051062299, 1351365813, 2102124598, 2702731626, 3153186897, 6306373794, 9459560691, 18919121382]

約数ペア:

[(1, 18919121382), (2, 9459560691), (3, 6306373794), (6, 3153186897), (7, 2702731626), (9, 2102124598), (14, 1351365813), (18, 1051062299), (21, 900910542), (42, 450455271), (49, 386104518), (63, 300303514), (67, 282374946), (98, 193052259), (126, 150151757), (134, 141187473), (147, 128701506), (201, 94124982), (294, 64350753), (402, 47062491), (441, 42900502), (469, 40339278), (603, 31374994), (882, 21450251), (938, 20169639), (1206, 15687497), (1407, 13446426), (2814, 6723213), (3283, 5762754), (4221, 4482142), (6566, 2881377), (8442, 2241071), (9849, 1920918), (19698, 960459), (29547, 640306), (59094, 320153)]