19980012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 50527232

約数和(自身を除く): 30547220

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 607, 633, 844, 1214, 1266, 1821, 2428, 2532, 2743, 3642, 5486, 7284, 7891, 8229, 10972, 15782, 16458, 23673, 31564, 32916, 47346, 94692, 128077, 256154, 384231, 512308, 768462, 1536924, 1665001, 3330002, 4995003, 6660004, 9990006, 19980012]

約数ペア:

[(1, 19980012), (2, 9990006), (3, 6660004), (4, 4995003), (6, 3330002), (12, 1665001), (13, 1536924), (26, 768462), (39, 512308), (52, 384231), (78, 256154), (156, 128077), (211, 94692), (422, 47346), (607, 32916), (633, 31564), (844, 23673), (1214, 16458), (1266, 15782), (1821, 10972), (2428, 8229), (2532, 7891), (2743, 7284), (3642, 5486)]