19850040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7877}}^1$

素因数の和:7901

約数の個数: 96

約数和(自身を含む): 73738080

約数和(自身を除く): 53888040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7877, 15754, 23631, 31508, 39385, 47262, 55139, 63016, 70893, 78770, 94524, 110278, 118155, 141786, 157540, 165417, 189048, 220556, 236310, 275695, 283572, 315080, 330834, 354465, 441112, 472620, 496251, 551390, 567144, 661668, 708930, 827085, 945240, 992502, 1102780, 1323336, 1417860, 1654170, 1985004, 2205560, 2481255, 2835720, 3308340, 3970008, 4962510, 6616680, 9925020, 19850040]

約数ペア:

[(1, 19850040), (2, 9925020), (3, 6616680), (4, 4962510), (5, 3970008), (6, 3308340), (7, 2835720), (8, 2481255), (9, 2205560), (10, 1985004), (12, 1654170), (14, 1417860), (15, 1323336), (18, 1102780), (20, 992502), (21, 945240), (24, 827085), (28, 708930), (30, 661668), (35, 567144), (36, 551390), (40, 496251), (42, 472620), (45, 441112), (56, 354465), (60, 330834), (63, 315080), (70, 283572), (72, 275695), (84, 236310), (90, 220556), (105, 189048), (120, 165417), (126, 157540), (140, 141786), (168, 118155), (180, 110278), (210, 94524), (252, 78770), (280, 70893), (315, 63016), (360, 55139), (420, 47262), (504, 39385), (630, 31508), (840, 23631), (1260, 15754), (2520, 7877)]