19366991992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{56453}}^1$

素因数の和:56576

約数の個数: 64

約数和(自身を含む): 39901687200

約数和(自身を除く): 20534695208

約数列:

[1, 2, 4, 8, 19, 37, 38, 61, 74, 76, 122, 148, 152, 244, 296, 488, 703, 1159, 1406, 2257, 2318, 2812, 4514, 4636, 5624, 9028, 9272, 18056, 42883, 56453, 85766, 112906, 171532, 225812, 343064, 451624, 1072607, 2088761, 2145214, 3443633, 4177522, 4290428, 6887266, 8355044, 8580856, 13774532, 16710088, 27549064, 39686459, 65429027, 79372918, 127414421, 130858054, 158745836, 254828842, 261716108, 317491672, 509657684, 523432216, 1019315368, 2420873999, 4841747998, 9683495996, 19366991992]

約数ペア:

[(1, 19366991992), (2, 9683495996), (4, 4841747998), (8, 2420873999), (19, 1019315368), (37, 523432216), (38, 509657684), (61, 317491672), (74, 261716108), (76, 254828842), (122, 158745836), (148, 130858054), (152, 127414421), (244, 79372918), (296, 65429027), (488, 39686459), (703, 27549064), (1159, 16710088), (1406, 13774532), (2257, 8580856), (2318, 8355044), (2812, 6887266), (4514, 4290428), (4636, 4177522), (5624, 3443633), (9028, 2145214), (9272, 2088761), (18056, 1072607), (42883, 451624), (56453, 343064), (85766, 225812), (112906, 171532)]