18335880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 62737740

約数和(自身を除く): 44401860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 53, 60, 62, 72, 90, 93, 106, 120, 124, 155, 159, 180, 186, 212, 248, 265, 279, 310, 318, 360, 372, 424, 465, 477, 530, 558, 620, 636, 744, 795, 930, 954, 961, 1060, 1116, 1240, 1272, 1395, 1590, 1643, 1860, 1908, 1922, 2120, 2232, 2385, 2790, 2883, 3180, 3286, 3720, 3816, 3844, 4770, 4805, 4929, 5580, 5766, 6360, 6572, 7688, 8215, 8649, 9540, 9610, 9858, 11160, 11532, 13144, 14415, 14787, 16430, 17298, 19080, 19220, 19716, 23064, 24645, 28830, 29574, 32860, 34596, 38440, 39432, 43245, 49290, 50933, 57660, 59148, 65720, 69192, 73935, 86490, 98580, 101866, 115320, 118296, 147870, 152799, 172980, 197160, 203732, 254665, 295740, 305598, 345960, 407464, 458397, 509330, 591480, 611196, 763995, 916794, 1018660, 1222392, 1527990, 1833588, 2037320, 2291985, 3055980, 3667176, 4583970, 6111960, 9167940, 18335880]

約数ペア:

[(1, 18335880), (2, 9167940), (3, 6111960), (4, 4583970), (5, 3667176), (6, 3055980), (8, 2291985), (9, 2037320), (10, 1833588), (12, 1527990), (15, 1222392), (18, 1018660), (20, 916794), (24, 763995), (30, 611196), (31, 591480), (36, 509330), (40, 458397), (45, 407464), (53, 345960), (60, 305598), (62, 295740), (72, 254665), (90, 203732), (93, 197160), (106, 172980), (120, 152799), (124, 147870), (155, 118296), (159, 115320), (180, 101866), (186, 98580), (212, 86490), (248, 73935), (265, 69192), (279, 65720), (310, 59148), (318, 57660), (360, 50933), (372, 49290), (424, 43245), (465, 39432), (477, 38440), (530, 34596), (558, 32860), (620, 29574), (636, 28830), (744, 24645), (795, 23064), (930, 19716), (954, 19220), (961, 19080), (1060, 17298), (1116, 16430), (1240, 14787), (1272, 14415), (1395, 13144), (1590, 11532), (1643, 11160), (1860, 9858), (1908, 9610), (1922, 9540), (2120, 8649), (2232, 8215), (2385, 7688), (2790, 6572), (2883, 6360), (3180, 5766), (3286, 5580), (3720, 4929), (3816, 4805), (3844, 4770)]