19721224704

素因数分解:

$2^9\times 3^1\times {\mathrm{3049}}^1\times {\mathrm{4211}}^1$

素因数の和:7281

約数の個数: 80

約数和(自身を含む): 52568287200

約数和(自身を除く): 32847062496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 3049, 4211, 6098, 8422, 9147, 12196, 12633, 16844, 18294, 24392, 25266, 33688, 36588, 48784, 50532, 67376, 73176, 97568, 101064, 134752, 146352, 195136, 202128, 269504, 292704, 390272, 404256, 539008, 585408, 780544, 808512, 1078016, 1170816, 1561088, 1617024, 2156032, 2341632, 3234048, 4683264, 6468096, 12839339, 25678678, 38518017, 51357356, 77036034, 102714712, 154072068, 205429424, 308144136, 410858848, 616288272, 821717696, 1232576544, 1643435392, 2465153088, 3286870784, 4930306176, 6573741568, 9860612352, 19721224704]

約数ペア:

[(1, 19721224704), (2, 9860612352), (3, 6573741568), (4, 4930306176), (6, 3286870784), (8, 2465153088), (12, 1643435392), (16, 1232576544), (24, 821717696), (32, 616288272), (48, 410858848), (64, 308144136), (96, 205429424), (128, 154072068), (192, 102714712), (256, 77036034), (384, 51357356), (512, 38518017), (768, 25678678), (1536, 12839339), (3049, 6468096), (4211, 4683264), (6098, 3234048), (8422, 2341632), (9147, 2156032), (12196, 1617024), (12633, 1561088), (16844, 1170816), (18294, 1078016), (24392, 808512), (25266, 780544), (33688, 585408), (36588, 539008), (48784, 404256), (50532, 390272), (67376, 292704), (73176, 269504), (97568, 202128), (101064, 195136), (134752, 146352)]