19255354880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{242633}}^1$

素因数の和:242687

約数の個数: 80

約数和(自身を含む): 47657199744

約数和(自身を除く): 28401844864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 242633, 485266, 970532, 1213165, 1941064, 2426330, 3882128, 4852660, 7521623, 7764256, 9705320, 15043246, 15528512, 19410640, 30086492, 31057024, 37608115, 38821280, 60172984, 62114048, 75216230, 77642560, 120345968, 124228096, 150432460, 155285120, 240691936, 300864920, 310570240, 481383872, 601729840, 621140480, 962767744, 1203459680, 1925535488, 2406919360, 3851070976, 4813838720, 9627677440, 19255354880]

約数ペア:

[(1, 19255354880), (2, 9627677440), (4, 4813838720), (5, 3851070976), (8, 2406919360), (10, 1925535488), (16, 1203459680), (20, 962767744), (31, 621140480), (32, 601729840), (40, 481383872), (62, 310570240), (64, 300864920), (80, 240691936), (124, 155285120), (128, 150432460), (155, 124228096), (160, 120345968), (248, 77642560), (256, 75216230), (310, 62114048), (320, 60172984), (496, 38821280), (512, 37608115), (620, 31057024), (640, 30086492), (992, 19410640), (1240, 15528512), (1280, 15043246), (1984, 9705320), (2480, 7764256), (2560, 7521623), (3968, 4852660), (4960, 3882128), (7936, 2426330), (9920, 1941064), (15872, 1213165), (19840, 970532), (39680, 485266), (79360, 242633)]