19313928

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 36284472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 107, 109, 138, 184, 207, 214, 218, 276, 321, 327, 414, 428, 436, 552, 642, 654, 828, 856, 872, 963, 981, 1284, 1308, 1656, 1926, 1962, 2461, 2507, 2568, 2616, 3852, 3924, 4922, 5014, 7383, 7521, 7704, 7848, 9844, 10028, 11663, 14766, 15042, 19688, 20056, 22149, 22563, 23326, 29532, 30084, 34989, 44298, 45126, 46652, 59064, 60168, 69978, 88596, 90252, 93304, 104967, 139956, 177192, 180504, 209934, 268249, 279912, 419868, 536498, 804747, 839736, 1072996, 1609494, 2145992, 2414241, 3218988, 4828482, 6437976, 9656964, 19313928]

約数ペア:

[(1, 19313928), (2, 9656964), (3, 6437976), (4, 4828482), (6, 3218988), (8, 2414241), (9, 2145992), (12, 1609494), (18, 1072996), (23, 839736), (24, 804747), (36, 536498), (46, 419868), (69, 279912), (72, 268249), (92, 209934), (107, 180504), (109, 177192), (138, 139956), (184, 104967), (207, 93304), (214, 90252), (218, 88596), (276, 69978), (321, 60168), (327, 59064), (414, 46652), (428, 45126), (436, 44298), (552, 34989), (642, 30084), (654, 29532), (828, 23326), (856, 22563), (872, 22149), (963, 20056), (981, 19688), (1284, 15042), (1308, 14766), (1656, 11663), (1926, 10028), (1962, 9844), (2461, 7848), (2507, 7704), (2568, 7521), (2616, 7383), (3852, 5014), (3924, 4922)]