18680076

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 50594544

約数和(自身を除く): 31914468

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 233, 262, 306, 393, 466, 524, 612, 699, 786, 932, 1179, 1398, 1572, 2097, 2227, 2358, 2796, 3961, 4194, 4454, 4716, 6681, 7922, 8388, 8908, 11883, 13362, 15844, 20043, 23766, 26724, 30523, 35649, 40086, 47532, 61046, 71298, 80172, 91569, 122092, 142596, 183138, 274707, 366276, 518891, 549414, 1037782, 1098828, 1556673, 2075564, 3113346, 4670019, 6226692, 9340038, 18680076]

約数ペア:

[(1, 18680076), (2, 9340038), (3, 6226692), (4, 4670019), (6, 3113346), (9, 2075564), (12, 1556673), (17, 1098828), (18, 1037782), (34, 549414), (36, 518891), (51, 366276), (68, 274707), (102, 183138), (131, 142596), (153, 122092), (204, 91569), (233, 80172), (262, 71298), (306, 61046), (393, 47532), (466, 40086), (524, 35649), (612, 30523), (699, 26724), (786, 23766), (932, 20043), (1179, 15844), (1398, 13362), (1572, 11883), (2097, 8908), (2227, 8388), (2358, 7922), (2796, 6681), (3961, 4716), (4194, 4454)]