19514022

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 44782848

約数和(自身を除く): 25268826

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 61, 66, 74, 111, 122, 131, 183, 222, 262, 366, 393, 407, 671, 786, 814, 1221, 1342, 1441, 2013, 2257, 2442, 2882, 4026, 4323, 4514, 4847, 6771, 7991, 8646, 9694, 13542, 14541, 15982, 23973, 24827, 29082, 47946, 49654, 53317, 74481, 87901, 106634, 148962, 159951, 175802, 263703, 295667, 319902, 527406, 591334, 887001, 1774002, 3252337, 6504674, 9757011, 19514022]

約数ペア:

[(1, 19514022), (2, 9757011), (3, 6504674), (6, 3252337), (11, 1774002), (22, 887001), (33, 591334), (37, 527406), (61, 319902), (66, 295667), (74, 263703), (111, 175802), (122, 159951), (131, 148962), (183, 106634), (222, 87901), (262, 74481), (366, 53317), (393, 49654), (407, 47946), (671, 29082), (786, 24827), (814, 23973), (1221, 15982), (1342, 14541), (1441, 13542), (2013, 9694), (2257, 8646), (2442, 7991), (2882, 6771), (4026, 4847), (4323, 4514)]