19936512

素因数分解:

$2^8\times 3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 108

約数和(自身を含む): 60982740

約数和(自身を除く): 41046228

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 256, 272, 288, 306, 384, 408, 509, 544, 576, 612, 768, 816, 1018, 1088, 1152, 1224, 1527, 1632, 2036, 2176, 2304, 2448, 3054, 3264, 4072, 4352, 4581, 4896, 6108, 6528, 8144, 8653, 9162, 9792, 12216, 13056, 16288, 17306, 18324, 19584, 24432, 25959, 32576, 34612, 36648, 39168, 48864, 51918, 65152, 69224, 73296, 77877, 97728, 103836, 130304, 138448, 146592, 155754, 195456, 207672, 276896, 293184, 311508, 390912, 415344, 553792, 586368, 623016, 830688, 1107584, 1172736, 1246032, 1661376, 2215168, 2492064, 3322752, 4984128, 6645504, 9968256, 19936512]

約数ペア:

[(1, 19936512), (2, 9968256), (3, 6645504), (4, 4984128), (6, 3322752), (8, 2492064), (9, 2215168), (12, 1661376), (16, 1246032), (17, 1172736), (18, 1107584), (24, 830688), (32, 623016), (34, 586368), (36, 553792), (48, 415344), (51, 390912), (64, 311508), (68, 293184), (72, 276896), (96, 207672), (102, 195456), (128, 155754), (136, 146592), (144, 138448), (153, 130304), (192, 103836), (204, 97728), (256, 77877), (272, 73296), (288, 69224), (306, 65152), (384, 51918), (408, 48864), (509, 39168), (544, 36648), (576, 34612), (612, 32576), (768, 25959), (816, 24432), (1018, 19584), (1088, 18324), (1152, 17306), (1224, 16288), (1527, 13056), (1632, 12216), (2036, 9792), (2176, 9162), (2304, 8653), (2448, 8144), (3054, 6528), (3264, 6108), (4072, 4896), (4352, 4581)]