18031950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 53858160

約数和(自身を除く): 35826210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 37, 38, 45, 50, 54, 57, 74, 75, 90, 95, 111, 114, 135, 150, 171, 185, 190, 222, 225, 270, 285, 333, 342, 361, 370, 450, 475, 513, 555, 570, 666, 675, 703, 722, 855, 925, 950, 999, 1026, 1083, 1110, 1350, 1406, 1425, 1665, 1710, 1805, 1850, 1998, 2109, 2166, 2565, 2775, 2850, 3249, 3330, 3515, 3610, 4218, 4275, 4995, 5130, 5415, 5550, 6327, 6498, 7030, 8325, 8550, 9025, 9747, 9990, 10545, 10830, 12654, 12825, 13357, 16245, 16650, 17575, 18050, 18981, 19494, 21090, 24975, 25650, 26714, 27075, 31635, 32490, 35150, 37962, 40071, 48735, 49950, 52725, 54150, 63270, 66785, 80142, 81225, 94905, 97470, 105450, 120213, 133570, 158175, 162450, 189810, 200355, 240426, 243675, 316350, 333925, 360639, 400710, 474525, 487350, 601065, 667850, 721278, 949050, 1001775, 1202130, 1803195, 2003550, 3005325, 3606390, 6010650, 9015975, 18031950]

約数ペア:

[(1, 18031950), (2, 9015975), (3, 6010650), (5, 3606390), (6, 3005325), (9, 2003550), (10, 1803195), (15, 1202130), (18, 1001775), (19, 949050), (25, 721278), (27, 667850), (30, 601065), (37, 487350), (38, 474525), (45, 400710), (50, 360639), (54, 333925), (57, 316350), (74, 243675), (75, 240426), (90, 200355), (95, 189810), (111, 162450), (114, 158175), (135, 133570), (150, 120213), (171, 105450), (185, 97470), (190, 94905), (222, 81225), (225, 80142), (270, 66785), (285, 63270), (333, 54150), (342, 52725), (361, 49950), (370, 48735), (450, 40071), (475, 37962), (513, 35150), (555, 32490), (570, 31635), (666, 27075), (675, 26714), (703, 25650), (722, 24975), (855, 21090), (925, 19494), (950, 18981), (999, 18050), (1026, 17575), (1083, 16650), (1110, 16245), (1350, 13357), (1406, 12825), (1425, 12654), (1665, 10830), (1710, 10545), (1805, 9990), (1850, 9747), (1998, 9025), (2109, 8550), (2166, 8325), (2565, 7030), (2775, 6498), (2850, 6327), (3249, 5550), (3330, 5415), (3515, 5130), (3610, 4995), (4218, 4275)]