18239742

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 44692560

約数和(自身を除く): 26452818

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 81, 102, 111, 153, 162, 179, 222, 306, 333, 358, 459, 537, 629, 666, 918, 999, 1074, 1258, 1377, 1611, 1887, 1998, 2754, 2997, 3043, 3222, 3774, 4833, 5661, 5994, 6086, 6623, 9129, 9666, 11322, 13246, 14499, 16983, 18258, 19869, 27387, 28998, 33966, 39738, 50949, 54774, 59607, 82161, 101898, 112591, 119214, 164322, 178821, 225182, 246483, 337773, 357642, 492966, 536463, 675546, 1013319, 1072926, 2026638, 3039957, 6079914, 9119871, 18239742]

約数ペア:

[(1, 18239742), (2, 9119871), (3, 6079914), (6, 3039957), (9, 2026638), (17, 1072926), (18, 1013319), (27, 675546), (34, 536463), (37, 492966), (51, 357642), (54, 337773), (74, 246483), (81, 225182), (102, 178821), (111, 164322), (153, 119214), (162, 112591), (179, 101898), (222, 82161), (306, 59607), (333, 54774), (358, 50949), (459, 39738), (537, 33966), (629, 28998), (666, 27387), (918, 19869), (999, 18258), (1074, 16983), (1258, 14499), (1377, 13246), (1611, 11322), (1887, 9666), (1998, 9129), (2754, 6623), (2997, 6086), (3043, 5994), (3222, 5661), (3774, 4833)]