18665388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 72

約数和(自身を含む): 57107232

約数和(自身を除く): 38441844

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, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4357, 8714, 13071, 17428, 26142, 30499, 39213, 52284, 60998, 74069, 78426, 91497, 121996, 148138, 156852, 182994, 222207, 274491, 296276, 365988, 444414, 518483, 548982, 666621, 888828, 1036966, 1097964, 1333242, 1555449, 2073932, 2666484, 3110898, 4666347, 6221796, 9332694, 18665388]

約数ペア:

[(1, 18665388), (2, 9332694), (3, 6221796), (4, 4666347), (6, 3110898), (7, 2666484), (9, 2073932), (12, 1555449), (14, 1333242), (17, 1097964), (18, 1036966), (21, 888828), (28, 666621), (34, 548982), (36, 518483), (42, 444414), (51, 365988), (63, 296276), (68, 274491), (84, 222207), (102, 182994), (119, 156852), (126, 148138), (153, 121996), (204, 91497), (238, 78426), (252, 74069), (306, 60998), (357, 52284), (476, 39213), (612, 30499), (714, 26142), (1071, 17428), (1428, 13071), (2142, 8714), (4284, 4357)]