19191088

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:182

約数の個数: 60

約数和(自身を含む): 44021488

約数和(自身を除く): 24830400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 61, 106, 112, 122, 212, 244, 371, 424, 427, 488, 742, 848, 854, 976, 1484, 1708, 2809, 2968, 3233, 3416, 5618, 5936, 6466, 6832, 11236, 12932, 19663, 22472, 22631, 25864, 39326, 44944, 45262, 51728, 78652, 90524, 157304, 171349, 181048, 314608, 342698, 362096, 685396, 1199443, 1370792, 2398886, 2741584, 4797772, 9595544, 19191088]

約数ペア:

[(1, 19191088), (2, 9595544), (4, 4797772), (7, 2741584), (8, 2398886), (14, 1370792), (16, 1199443), (28, 685396), (53, 362096), (56, 342698), (61, 314608), (106, 181048), (112, 171349), (122, 157304), (212, 90524), (244, 78652), (371, 51728), (424, 45262), (427, 44944), (488, 39326), (742, 25864), (848, 22631), (854, 22472), (976, 19663), (1484, 12932), (1708, 11236), (2809, 6832), (2968, 6466), (3233, 5936), (3416, 5618)]