19958193920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{318211}}^1$

素因数の和:318246

約数の個数: 108

約数和(自身を含む): 55611365544

約数和(自身を除く): 35653171624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 12544, 15680, 31360, 62720, 318211, 636422, 1272844, 1591055, 2227477, 2545688, 3182110, 4454954, 5091376, 6364220, 8909908, 10182752, 11137385, 12728440, 15592339, 17819816, 20365504, 22274770, 25456880, 31184678, 35639632, 40731008, 44549540, 50913760, 62369356, 71279264, 77961695, 81462016, 89099080, 101827520, 124738712, 142558528, 155923390, 178198160, 203655040, 249477424, 285117056, 311846780, 356396320, 407310080, 498954848, 570234112, 623693560, 712792640, 997909696, 1247387120, 1425585280, 1995819392, 2494774240, 2851170560, 3991638784, 4989548480, 9979096960, 19958193920]

約数ペア:

[(1, 19958193920), (2, 9979096960), (4, 4989548480), (5, 3991638784), (7, 2851170560), (8, 2494774240), (10, 1995819392), (14, 1425585280), (16, 1247387120), (20, 997909696), (28, 712792640), (32, 623693560), (35, 570234112), (40, 498954848), (49, 407310080), (56, 356396320), (64, 311846780), (70, 285117056), (80, 249477424), (98, 203655040), (112, 178198160), (128, 155923390), (140, 142558528), (160, 124738712), (196, 101827520), (224, 89099080), (245, 81462016), (256, 77961695), (280, 71279264), (320, 62369356), (392, 50913760), (448, 44549540), (490, 40731008), (560, 35639632), (640, 31184678), (784, 25456880), (896, 22274770), (980, 20365504), (1120, 17819816), (1280, 15592339), (1568, 12728440), (1792, 11137385), (1960, 10182752), (2240, 8909908), (3136, 6364220), (3920, 5091376), (4480, 4454954), (6272, 3182110), (7840, 2545688), (8960, 2227477), (12544, 1591055), (15680, 1272844), (31360, 636422), (62720, 318211)]