19001700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:554

約数の個数: 108

約数和(自身を含む): 61069008

約数和(自身を除く): 42067308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 129, 150, 172, 180, 215, 225, 258, 300, 387, 430, 450, 491, 516, 645, 774, 860, 900, 982, 1075, 1290, 1473, 1548, 1935, 1964, 2150, 2455, 2580, 2946, 3225, 3870, 4300, 4419, 4910, 5892, 6450, 7365, 7740, 8838, 9675, 9820, 12275, 12900, 14730, 17676, 19350, 21113, 22095, 24550, 29460, 36825, 38700, 42226, 44190, 49100, 63339, 73650, 84452, 88380, 105565, 110475, 126678, 147300, 190017, 211130, 220950, 253356, 316695, 380034, 422260, 441900, 527825, 633390, 760068, 950085, 1055650, 1266780, 1583475, 1900170, 2111300, 3166950, 3800340, 4750425, 6333900, 9500850, 19001700]

約数ペア:

[(1, 19001700), (2, 9500850), (3, 6333900), (4, 4750425), (5, 3800340), (6, 3166950), (9, 2111300), (10, 1900170), (12, 1583475), (15, 1266780), (18, 1055650), (20, 950085), (25, 760068), (30, 633390), (36, 527825), (43, 441900), (45, 422260), (50, 380034), (60, 316695), (75, 253356), (86, 220950), (90, 211130), (100, 190017), (129, 147300), (150, 126678), (172, 110475), (180, 105565), (215, 88380), (225, 84452), (258, 73650), (300, 63339), (387, 49100), (430, 44190), (450, 42226), (491, 38700), (516, 36825), (645, 29460), (774, 24550), (860, 22095), (900, 21113), (982, 19350), (1075, 17676), (1290, 14730), (1473, 12900), (1548, 12275), (1935, 9820), (1964, 9675), (2150, 8838), (2455, 7740), (2580, 7365), (2946, 6450), (3225, 5892), (3870, 4910), (4300, 4419)]