18716796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 57661968

約数和(自身を除く): 38945172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 257, 289, 306, 357, 476, 514, 578, 612, 714, 771, 867, 1028, 1071, 1156, 1428, 1542, 1734, 1799, 2023, 2142, 2313, 2601, 3084, 3468, 3598, 4046, 4284, 4369, 4626, 5202, 5397, 6069, 7196, 8092, 8738, 9252, 10404, 10794, 12138, 13107, 16191, 17476, 18207, 21588, 24276, 26214, 30583, 32382, 36414, 39321, 52428, 61166, 64764, 72828, 74273, 78642, 91749, 122332, 148546, 157284, 183498, 222819, 275247, 297092, 366996, 445638, 519911, 550494, 668457, 891276, 1039822, 1100988, 1336914, 1559733, 2079644, 2673828, 3119466, 4679199, 6238932, 9358398, 18716796]

約数ペア:

[(1, 18716796), (2, 9358398), (3, 6238932), (4, 4679199), (6, 3119466), (7, 2673828), (9, 2079644), (12, 1559733), (14, 1336914), (17, 1100988), (18, 1039822), (21, 891276), (28, 668457), (34, 550494), (36, 519911), (42, 445638), (51, 366996), (63, 297092), (68, 275247), (84, 222819), (102, 183498), (119, 157284), (126, 148546), (153, 122332), (204, 91749), (238, 78642), (252, 74273), (257, 72828), (289, 64764), (306, 61166), (357, 52428), (476, 39321), (514, 36414), (578, 32382), (612, 30583), (714, 26214), (771, 24276), (867, 21588), (1028, 18207), (1071, 17476), (1156, 16191), (1428, 13107), (1542, 12138), (1734, 10794), (1799, 10404), (2023, 9252), (2142, 8738), (2313, 8092), (2601, 7196), (3084, 6069), (3468, 5397), (3598, 5202), (4046, 4626), (4284, 4369)]