19866936

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31454664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 89, 131, 142, 178, 213, 262, 267, 284, 356, 393, 426, 524, 534, 568, 712, 786, 852, 1048, 1068, 1572, 1704, 2136, 3144, 6319, 9301, 11659, 12638, 18602, 18957, 23318, 25276, 27903, 34977, 37204, 37914, 46636, 50552, 55806, 69954, 74408, 75828, 93272, 111612, 139908, 151656, 223224, 279816, 827789, 1655578, 2483367, 3311156, 4966734, 6622312, 9933468, 19866936]

約数ペア:

[(1, 19866936), (2, 9933468), (3, 6622312), (4, 4966734), (6, 3311156), (8, 2483367), (12, 1655578), (24, 827789), (71, 279816), (89, 223224), (131, 151656), (142, 139908), (178, 111612), (213, 93272), (262, 75828), (267, 74408), (284, 69954), (356, 55806), (393, 50552), (426, 46636), (524, 37914), (534, 37204), (568, 34977), (712, 27903), (786, 25276), (852, 23318), (1048, 18957), (1068, 18602), (1572, 12638), (1704, 11659), (2136, 9301), (3144, 6319)]