17967910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 15728090

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 389, 745, 778, 1490, 1945, 3890, 4619, 9238, 12059, 23095, 24118, 46190, 57961, 60295, 115922, 120590, 289805, 579610, 1796791, 3593582, 8983955, 17967910]

約数ペア:

[(1, 17967910), (2, 8983955), (5, 3593582), (10, 1796791), (31, 579610), (62, 289805), (149, 120590), (155, 115922), (298, 60295), (310, 57961), (389, 46190), (745, 24118), (778, 23095), (1490, 12059), (1945, 9238), (3890, 4619)]