18251984235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1\times {\mathrm{1153}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 30735912960

約数和(自身を除く): 12483928725

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 577, 885, 1153, 1731, 1829, 2885, 3459, 5487, 5765, 8655, 9145, 17295, 17887, 27435, 34043, 35743, 53661, 68027, 89435, 102129, 107229, 170215, 178715, 204081, 268305, 340135, 510645, 536145, 665281, 1020405, 1055333, 1995843, 2108837, 3165999, 3326405, 5276665, 6326511, 9979215, 10544185, 15829995, 20623711, 31632555, 39251579, 61871133, 103118555, 117754737, 196257895, 309355665, 588773685, 1216798949, 3650396847, 6083994745, 18251984235]

約数ペア:

[(1, 18251984235), (3, 6083994745), (5, 3650396847), (15, 1216798949), (31, 588773685), (59, 309355665), (93, 196257895), (155, 117754737), (177, 103118555), (295, 61871133), (465, 39251579), (577, 31632555), (885, 20623711), (1153, 15829995), (1731, 10544185), (1829, 9979215), (2885, 6326511), (3459, 5276665), (5487, 3326405), (5765, 3165999), (8655, 2108837), (9145, 1995843), (17295, 1055333), (17887, 1020405), (27435, 665281), (34043, 536145), (35743, 510645), (53661, 340135), (68027, 268305), (89435, 204081), (102129, 178715), (107229, 170215)]