18938520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 63573120

約数和(自身を除く): 44634600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1697, 1860, 2232, 2790, 3394, 3720, 5091, 5580, 6788, 8485, 10182, 11160, 13576, 15273, 16970, 20364, 25455, 30546, 33940, 40728, 50910, 52607, 61092, 67880, 76365, 101820, 105214, 122184, 152730, 157821, 203640, 210428, 263035, 305460, 315642, 420856, 473463, 526070, 610920, 631284, 789105, 946926, 1052140, 1262568, 1578210, 1893852, 2104280, 2367315, 3156420, 3787704, 4734630, 6312840, 9469260, 18938520]

約数ペア:

[(1, 18938520), (2, 9469260), (3, 6312840), (4, 4734630), (5, 3787704), (6, 3156420), (8, 2367315), (9, 2104280), (10, 1893852), (12, 1578210), (15, 1262568), (18, 1052140), (20, 946926), (24, 789105), (30, 631284), (31, 610920), (36, 526070), (40, 473463), (45, 420856), (60, 315642), (62, 305460), (72, 263035), (90, 210428), (93, 203640), (120, 157821), (124, 152730), (155, 122184), (180, 105214), (186, 101820), (248, 76365), (279, 67880), (310, 61092), (360, 52607), (372, 50910), (465, 40728), (558, 33940), (620, 30546), (744, 25455), (930, 20364), (1116, 16970), (1240, 15273), (1395, 13576), (1697, 11160), (1860, 10182), (2232, 8485), (2790, 6788), (3394, 5580), (3720, 5091)]