19915764

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 52716384

約数和(自身を除く): 32800620

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 157, 186, 314, 341, 372, 471, 628, 682, 942, 961, 1023, 1364, 1727, 1884, 1922, 2046, 2883, 3454, 3844, 4092, 4867, 5181, 5766, 6908, 9734, 10362, 10571, 11532, 14601, 19468, 20724, 21142, 29202, 31713, 42284, 53537, 58404, 63426, 107074, 126852, 150877, 160611, 214148, 301754, 321222, 452631, 603508, 642444, 905262, 1659647, 1810524, 3319294, 4978941, 6638588, 9957882, 19915764]

約数ペア:

[(1, 19915764), (2, 9957882), (3, 6638588), (4, 4978941), (6, 3319294), (11, 1810524), (12, 1659647), (22, 905262), (31, 642444), (33, 603508), (44, 452631), (62, 321222), (66, 301754), (93, 214148), (124, 160611), (132, 150877), (157, 126852), (186, 107074), (314, 63426), (341, 58404), (372, 53537), (471, 42284), (628, 31713), (682, 29202), (942, 21142), (961, 20724), (1023, 19468), (1364, 14601), (1727, 11532), (1884, 10571), (1922, 10362), (2046, 9734), (2883, 6908), (3454, 5766), (3844, 5181), (4092, 4867)]