18739624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 39513600

約数和(自身を除く): 20773976

約数列:

[1, 2, 4, 8, 19, 31, 38, 41, 62, 76, 82, 97, 124, 152, 164, 194, 248, 328, 388, 589, 776, 779, 1178, 1271, 1558, 1843, 2356, 2542, 3007, 3116, 3686, 3977, 4712, 5084, 6014, 6232, 7372, 7954, 10168, 12028, 14744, 15908, 24056, 24149, 31816, 48298, 57133, 75563, 96596, 114266, 123287, 151126, 193192, 228532, 246574, 302252, 457064, 493148, 604504, 986296, 2342453, 4684906, 9369812, 18739624]

約数ペア:

[(1, 18739624), (2, 9369812), (4, 4684906), (8, 2342453), (19, 986296), (31, 604504), (38, 493148), (41, 457064), (62, 302252), (76, 246574), (82, 228532), (97, 193192), (124, 151126), (152, 123287), (164, 114266), (194, 96596), (248, 75563), (328, 57133), (388, 48298), (589, 31816), (776, 24149), (779, 24056), (1178, 15908), (1271, 14744), (1558, 12028), (1843, 10168), (2356, 7954), (2542, 7372), (3007, 6232), (3116, 6014), (3686, 5084), (3977, 4712)]