19974816

素因数分解:

$2^5\times 3^3\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 59371200

約数和(自身を除く): 39396384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 61, 72, 96, 108, 122, 144, 183, 216, 244, 288, 366, 379, 432, 488, 549, 732, 758, 864, 976, 1098, 1137, 1464, 1516, 1647, 1952, 2196, 2274, 2928, 3032, 3294, 3411, 4392, 4548, 5856, 6064, 6588, 6822, 8784, 9096, 10233, 12128, 13176, 13644, 17568, 18192, 20466, 23119, 26352, 27288, 36384, 40932, 46238, 52704, 54576, 69357, 81864, 92476, 109152, 138714, 163728, 184952, 208071, 277428, 327456, 369904, 416142, 554856, 624213, 739808, 832284, 1109712, 1248426, 1664568, 2219424, 2496852, 3329136, 4993704, 6658272, 9987408, 19974816]

約数ペア:

[(1, 19974816), (2, 9987408), (3, 6658272), (4, 4993704), (6, 3329136), (8, 2496852), (9, 2219424), (12, 1664568), (16, 1248426), (18, 1109712), (24, 832284), (27, 739808), (32, 624213), (36, 554856), (48, 416142), (54, 369904), (61, 327456), (72, 277428), (96, 208071), (108, 184952), (122, 163728), (144, 138714), (183, 109152), (216, 92476), (244, 81864), (288, 69357), (366, 54576), (379, 52704), (432, 46238), (488, 40932), (549, 36384), (732, 27288), (758, 26352), (864, 23119), (976, 20466), (1098, 18192), (1137, 17568), (1464, 13644), (1516, 13176), (1647, 12128), (1952, 10233), (2196, 9096), (2274, 8784), (2928, 6822), (3032, 6588), (3294, 6064), (3411, 5856), (4392, 4548)]