18888941751

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 28698624000

約数和(自身を除く): 9809682249

約数列:

[1, 3, 19, 23, 29, 57, 69, 87, 437, 551, 667, 691, 719, 1311, 1653, 2001, 2073, 2157, 12673, 13129, 13661, 15893, 16537, 20039, 20851, 38019, 39387, 40983, 47679, 49611, 60117, 62553, 301967, 314203, 380741, 396169, 460897, 479573, 496829, 905901, 942609, 1142223, 1188507, 1382691, 1438719, 1490487, 8757043, 9111887, 9439751, 11427067, 14408041, 26271129, 27335661, 28319253, 34281201, 43224123, 217114273, 273752779, 331384943, 651342819, 821258337, 994154829, 6296313917, 18888941751]

約数ペア:

[(1, 18888941751), (3, 6296313917), (19, 994154829), (23, 821258337), (29, 651342819), (57, 331384943), (69, 273752779), (87, 217114273), (437, 43224123), (551, 34281201), (667, 28319253), (691, 27335661), (719, 26271129), (1311, 14408041), (1653, 11427067), (2001, 9439751), (2073, 9111887), (2157, 8757043), (12673, 1490487), (13129, 1438719), (13661, 1382691), (15893, 1188507), (16537, 1142223), (20039, 942609), (20851, 905901), (38019, 496829), (39387, 479573), (40983, 460897), (47679, 396169), (49611, 380741), (60117, 314203), (62553, 301967)]