20171738455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1\times {\mathrm{367}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 28138752000

約数和(自身を除く): 7967013545

約数列:

[1, 5, 11, 19, 55, 95, 149, 209, 353, 367, 745, 1045, 1639, 1765, 1835, 2831, 3883, 4037, 6707, 6973, 8195, 14155, 19415, 20185, 31141, 33535, 34865, 52597, 54683, 73777, 76703, 129551, 155705, 262985, 273415, 368885, 383515, 578567, 601513, 647755, 999343, 1038977, 1425061, 2461469, 2892835, 3007565, 4996715, 5194885, 7125305, 10992773, 11428747, 12307345, 19303099, 27076159, 54963865, 57143735, 96515495, 135380795, 212334089, 366758881, 1061670445, 1833794405, 4034347691, 20171738455]

約数ペア:

[(1, 20171738455), (5, 4034347691), (11, 1833794405), (19, 1061670445), (55, 366758881), (95, 212334089), (149, 135380795), (209, 96515495), (353, 57143735), (367, 54963865), (745, 27076159), (1045, 19303099), (1639, 12307345), (1765, 11428747), (1835, 10992773), (2831, 7125305), (3883, 5194885), (4037, 4996715), (6707, 3007565), (6973, 2892835), (8195, 2461469), (14155, 1425061), (19415, 1038977), (20185, 999343), (31141, 647755), (33535, 601513), (34865, 578567), (52597, 383515), (54683, 368885), (73777, 273415), (76703, 262985), (129551, 155705)]