18854280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 62112960

約数和(自身を除く): 43258680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 631, 664, 747, 830, 996, 1245, 1262, 1494, 1660, 1893, 1992, 2490, 2524, 2988, 3155, 3320, 3735, 3786, 4980, 5048, 5679, 5976, 6310, 7470, 7572, 9465, 9960, 11358, 12620, 14940, 15144, 18930, 22716, 25240, 28395, 29880, 37860, 45432, 52373, 56790, 75720, 104746, 113580, 157119, 209492, 227160, 261865, 314238, 418984, 471357, 523730, 628476, 785595, 942714, 1047460, 1256952, 1571190, 1885428, 2094920, 2356785, 3142380, 3770856, 4713570, 6284760, 9427140, 18854280]

約数ペア:

[(1, 18854280), (2, 9427140), (3, 6284760), (4, 4713570), (5, 3770856), (6, 3142380), (8, 2356785), (9, 2094920), (10, 1885428), (12, 1571190), (15, 1256952), (18, 1047460), (20, 942714), (24, 785595), (30, 628476), (36, 523730), (40, 471357), (45, 418984), (60, 314238), (72, 261865), (83, 227160), (90, 209492), (120, 157119), (166, 113580), (180, 104746), (249, 75720), (332, 56790), (360, 52373), (415, 45432), (498, 37860), (631, 29880), (664, 28395), (747, 25240), (830, 22716), (996, 18930), (1245, 15144), (1262, 14940), (1494, 12620), (1660, 11358), (1893, 9960), (1992, 9465), (2490, 7572), (2524, 7470), (2988, 6310), (3155, 5976), (3320, 5679), (3735, 5048), (3786, 4980)]