18561420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:984

約数の個数: 96

約数和(自身を含む): 59371200

約数和(自身を除く): 40809780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 929, 999, 1110, 1332, 1665, 1858, 1998, 2220, 2787, 3330, 3716, 3996, 4645, 4995, 5574, 6660, 8361, 9290, 9990, 11148, 13935, 16722, 18580, 19980, 25083, 27870, 33444, 34373, 41805, 50166, 55740, 68746, 83610, 100332, 103119, 125415, 137492, 167220, 171865, 206238, 250830, 309357, 343730, 412476, 501660, 515595, 618714, 687460, 928071, 1031190, 1237428, 1546785, 1856142, 2062380, 3093570, 3712284, 4640355, 6187140, 9280710, 18561420]

約数ペア:

[(1, 18561420), (2, 9280710), (3, 6187140), (4, 4640355), (5, 3712284), (6, 3093570), (9, 2062380), (10, 1856142), (12, 1546785), (15, 1237428), (18, 1031190), (20, 928071), (27, 687460), (30, 618714), (36, 515595), (37, 501660), (45, 412476), (54, 343730), (60, 309357), (74, 250830), (90, 206238), (108, 171865), (111, 167220), (135, 137492), (148, 125415), (180, 103119), (185, 100332), (222, 83610), (270, 68746), (333, 55740), (370, 50166), (444, 41805), (540, 34373), (555, 33444), (666, 27870), (740, 25083), (929, 19980), (999, 18580), (1110, 16722), (1332, 13935), (1665, 11148), (1858, 9990), (1998, 9290), (2220, 8361), (2787, 6660), (3330, 5574), (3716, 4995), (3996, 4645)]