18860996870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 34929014400

約数和(自身を除く): 16068017530

約数列:

[1, 2, 5, 10, 61, 122, 137, 269, 274, 305, 538, 610, 685, 839, 1345, 1370, 1678, 2690, 4195, 8357, 8390, 16409, 16714, 32818, 36853, 41785, 51179, 73706, 82045, 83570, 102358, 114943, 164090, 184265, 225691, 229886, 255895, 368530, 451382, 511790, 574715, 1128455, 1149430, 2248033, 2256910, 4496066, 7011523, 11240165, 13767151, 14023046, 22480330, 27534302, 30919667, 35057615, 61839334, 68835755, 70115230, 137671510, 154598335, 309196670, 1886099687, 3772199374, 9430498435, 18860996870]

約数ペア:

[(1, 18860996870), (2, 9430498435), (5, 3772199374), (10, 1886099687), (61, 309196670), (122, 154598335), (137, 137671510), (269, 70115230), (274, 68835755), (305, 61839334), (538, 35057615), (610, 30919667), (685, 27534302), (839, 22480330), (1345, 14023046), (1370, 13767151), (1678, 11240165), (2690, 7011523), (4195, 4496066), (8357, 2256910), (8390, 2248033), (16409, 1149430), (16714, 1128455), (32818, 574715), (36853, 511790), (41785, 451382), (51179, 368530), (73706, 255895), (82045, 229886), (83570, 225691), (102358, 184265), (114943, 164090)]