19678743738

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{41809}}^1$

素因数の和:42227

約数の個数: 48

約数和(自身を含む): 43308470400

約数和(自身を除く): 23629726662

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 331, 474, 662, 711, 993, 1422, 1986, 2979, 5958, 26149, 41809, 52298, 78447, 83618, 125427, 156894, 235341, 250854, 376281, 470682, 752562, 3302911, 6605822, 9908733, 13838779, 19817466, 27677558, 29726199, 41516337, 59452398, 83032674, 124549011, 249098022, 1093263541, 2186527082, 3279790623, 6559581246, 9839371869, 19678743738]

約数ペア:

[(1, 19678743738), (2, 9839371869), (3, 6559581246), (6, 3279790623), (9, 2186527082), (18, 1093263541), (79, 249098022), (158, 124549011), (237, 83032674), (331, 59452398), (474, 41516337), (662, 29726199), (711, 27677558), (993, 19817466), (1422, 13838779), (1986, 9908733), (2979, 6605822), (5958, 3302911), (26149, 752562), (41809, 470682), (52298, 376281), (78447, 250854), (83618, 235341), (125427, 156894)]