18989056

素因数分解:

$2^{14}\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 40631080

約数和(自身を除く): 21642024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 128, 152, 244, 256, 304, 488, 512, 608, 976, 1024, 1159, 1216, 1952, 2048, 2318, 2432, 3904, 4096, 4636, 4864, 7808, 8192, 9272, 9728, 15616, 16384, 18544, 19456, 31232, 37088, 38912, 62464, 74176, 77824, 124928, 148352, 155648, 249856, 296704, 311296, 499712, 593408, 999424, 1186816, 2373632, 4747264, 9494528, 18989056]

約数ペア:

[(1, 18989056), (2, 9494528), (4, 4747264), (8, 2373632), (16, 1186816), (19, 999424), (32, 593408), (38, 499712), (61, 311296), (64, 296704), (76, 249856), (122, 155648), (128, 148352), (152, 124928), (244, 77824), (256, 74176), (304, 62464), (488, 38912), (512, 37088), (608, 31232), (976, 19456), (1024, 18544), (1159, 16384), (1216, 15616), (1952, 9728), (2048, 9272), (2318, 8192), (2432, 7808), (3904, 4864), (4096, 4636)]