18843120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26171}}^1$

素因数の和:26190

約数の個数: 60

約数和(自身を含む): 63283896

約数和(自身を除く): 44440776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26171, 52342, 78513, 104684, 130855, 157026, 209368, 235539, 261710, 314052, 392565, 418736, 471078, 523420, 628104, 785130, 942156, 1046840, 1177695, 1256208, 1570260, 1884312, 2093680, 2355390, 3140520, 3768624, 4710780, 6281040, 9421560, 18843120]

約数ペア:

[(1, 18843120), (2, 9421560), (3, 6281040), (4, 4710780), (5, 3768624), (6, 3140520), (8, 2355390), (9, 2093680), (10, 1884312), (12, 1570260), (15, 1256208), (16, 1177695), (18, 1046840), (20, 942156), (24, 785130), (30, 628104), (36, 523420), (40, 471078), (45, 418736), (48, 392565), (60, 314052), (72, 261710), (80, 235539), (90, 209368), (120, 157026), (144, 130855), (180, 104684), (240, 78513), (360, 52342), (720, 26171)]