18867420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:772

約数の個数: 144

約数和(自身を含む): 67328352

約数和(自身を除く): 48460932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 733, 780, 858, 990, 1170, 1287, 1430, 1466, 1716, 1980, 2145, 2199, 2340, 2574, 2860, 2932, 3665, 4290, 4398, 5148, 6435, 6597, 7330, 8063, 8580, 8796, 9529, 10995, 12870, 13194, 14660, 16126, 19058, 21990, 24189, 25740, 26388, 28587, 32252, 32985, 38116, 40315, 43980, 47645, 48378, 57174, 65970, 72567, 80630, 85761, 95290, 96756, 104819, 114348, 120945, 131940, 142935, 145134, 161260, 171522, 190580, 209638, 241890, 285870, 290268, 314457, 343044, 362835, 419276, 428805, 483780, 524095, 571740, 628914, 725670, 857610, 943371, 1048190, 1257828, 1451340, 1572285, 1715220, 1886742, 2096380, 3144570, 3773484, 4716855, 6289140, 9433710, 18867420]

約数ペア:

[(1, 18867420), (2, 9433710), (3, 6289140), (4, 4716855), (5, 3773484), (6, 3144570), (9, 2096380), (10, 1886742), (11, 1715220), (12, 1572285), (13, 1451340), (15, 1257828), (18, 1048190), (20, 943371), (22, 857610), (26, 725670), (30, 628914), (33, 571740), (36, 524095), (39, 483780), (44, 428805), (45, 419276), (52, 362835), (55, 343044), (60, 314457), (65, 290268), (66, 285870), (78, 241890), (90, 209638), (99, 190580), (110, 171522), (117, 161260), (130, 145134), (132, 142935), (143, 131940), (156, 120945), (165, 114348), (180, 104819), (195, 96756), (198, 95290), (220, 85761), (234, 80630), (260, 72567), (286, 65970), (330, 57174), (390, 48378), (396, 47645), (429, 43980), (468, 40315), (495, 38116), (572, 32985), (585, 32252), (660, 28587), (715, 26388), (733, 25740), (780, 24189), (858, 21990), (990, 19058), (1170, 16126), (1287, 14660), (1430, 13194), (1466, 12870), (1716, 10995), (1980, 9529), (2145, 8796), (2199, 8580), (2340, 8063), (2574, 7330), (2860, 6597), (2932, 6435), (3665, 5148), (4290, 4398)]