19877454

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 27815346

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 59, 102, 118, 153, 177, 306, 354, 367, 459, 531, 734, 918, 1003, 1062, 1101, 1593, 2006, 2202, 3009, 3186, 3303, 6018, 6239, 6606, 9027, 9909, 12478, 18054, 18717, 19818, 21653, 27081, 37434, 43306, 54162, 56151, 64959, 112302, 129918, 168453, 194877, 336906, 368101, 389754, 584631, 736202, 1104303, 1169262, 2208606, 3312909, 6625818, 9938727, 19877454]

約数ペア:

[(1, 19877454), (2, 9938727), (3, 6625818), (6, 3312909), (9, 2208606), (17, 1169262), (18, 1104303), (27, 736202), (34, 584631), (51, 389754), (54, 368101), (59, 336906), (102, 194877), (118, 168453), (153, 129918), (177, 112302), (306, 64959), (354, 56151), (367, 54162), (459, 43306), (531, 37434), (734, 27081), (918, 21653), (1003, 19818), (1062, 18717), (1101, 18054), (1593, 12478), (2006, 9909), (2202, 9027), (3009, 6606), (3186, 6239), (3303, 6018)]