19854900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1697}}^1$

素因数の和:1730

約数の個数: 108

約数和(自身を含む): 67060812

約数和(自身を除く): 47205912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1697, 1950, 2340, 2925, 3394, 3900, 5091, 5850, 6788, 8485, 10182, 11700, 15273, 16970, 20364, 22061, 25455, 30546, 33940, 42425, 44122, 50910, 61092, 66183, 76365, 84850, 88244, 101820, 110305, 127275, 132366, 152730, 169700, 198549, 220610, 254550, 264732, 305460, 330915, 381825, 397098, 441220, 509100, 551525, 661830, 763650, 794196, 992745, 1103050, 1323660, 1527300, 1654575, 1985490, 2206100, 3309150, 3970980, 4963725, 6618300, 9927450, 19854900]

約数ペア:

[(1, 19854900), (2, 9927450), (3, 6618300), (4, 4963725), (5, 3970980), (6, 3309150), (9, 2206100), (10, 1985490), (12, 1654575), (13, 1527300), (15, 1323660), (18, 1103050), (20, 992745), (25, 794196), (26, 763650), (30, 661830), (36, 551525), (39, 509100), (45, 441220), (50, 397098), (52, 381825), (60, 330915), (65, 305460), (75, 264732), (78, 254550), (90, 220610), (100, 198549), (117, 169700), (130, 152730), (150, 132366), (156, 127275), (180, 110305), (195, 101820), (225, 88244), (234, 84850), (260, 76365), (300, 66183), (325, 61092), (390, 50910), (450, 44122), (468, 42425), (585, 33940), (650, 30546), (780, 25455), (900, 22061), (975, 20364), (1170, 16970), (1300, 15273), (1697, 11700), (1950, 10182), (2340, 8485), (2925, 6788), (3394, 5850), (3900, 5091)]