19744944

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 53329920

約数和(自身を除く): 33584976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 79, 82, 123, 127, 158, 164, 237, 246, 254, 316, 328, 381, 474, 492, 508, 632, 656, 762, 948, 984, 1016, 1264, 1524, 1896, 1968, 2032, 3048, 3239, 3792, 5207, 6096, 6478, 9717, 10033, 10414, 12956, 15621, 19434, 20066, 20828, 25912, 30099, 31242, 38868, 40132, 41656, 51824, 60198, 62484, 77736, 80264, 83312, 120396, 124968, 155472, 160528, 240792, 249936, 411353, 481584, 822706, 1234059, 1645412, 2468118, 3290824, 4936236, 6581648, 9872472, 19744944]

約数ペア:

[(1, 19744944), (2, 9872472), (3, 6581648), (4, 4936236), (6, 3290824), (8, 2468118), (12, 1645412), (16, 1234059), (24, 822706), (41, 481584), (48, 411353), (79, 249936), (82, 240792), (123, 160528), (127, 155472), (158, 124968), (164, 120396), (237, 83312), (246, 80264), (254, 77736), (316, 62484), (328, 60198), (381, 51824), (474, 41656), (492, 40132), (508, 38868), (632, 31242), (656, 30099), (762, 25912), (948, 20828), (984, 20066), (1016, 19434), (1264, 15621), (1524, 12956), (1896, 10414), (1968, 10033), (2032, 9717), (3048, 6478), (3239, 6096), (3792, 5207)]