19998373212

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{809}}^1\times {\mathrm{7079}}^1$

素因数の和:7995

約数の個数: 72

約数和(自身を含む): 51142946400

約数和(自身を除く): 31144573188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 809, 873, 1164, 1618, 1746, 2427, 3236, 3492, 4854, 7079, 7281, 9708, 14158, 14562, 21237, 28316, 29124, 42474, 63711, 78473, 84948, 127422, 156946, 235419, 254844, 313892, 470838, 686663, 706257, 941676, 1373326, 1412514, 2059989, 2746652, 2825028, 4119978, 5726911, 6179967, 8239956, 11453822, 12359934, 17180733, 22907644, 24719868, 34361466, 51542199, 68722932, 103084398, 206168796, 555510367, 1111020734, 1666531101, 2222041468, 3333062202, 4999593303, 6666124404, 9999186606, 19998373212]

約数ペア:

[(1, 19998373212), (2, 9999186606), (3, 6666124404), (4, 4999593303), (6, 3333062202), (9, 2222041468), (12, 1666531101), (18, 1111020734), (36, 555510367), (97, 206168796), (194, 103084398), (291, 68722932), (388, 51542199), (582, 34361466), (809, 24719868), (873, 22907644), (1164, 17180733), (1618, 12359934), (1746, 11453822), (2427, 8239956), (3236, 6179967), (3492, 5726911), (4854, 4119978), (7079, 2825028), (7281, 2746652), (9708, 2059989), (14158, 1412514), (14562, 1373326), (21237, 941676), (28316, 706257), (29124, 686663), (42474, 470838), (63711, 313892), (78473, 254844), (84948, 235419), (127422, 156946)]