19362848

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20553952

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 131, 149, 248, 262, 298, 496, 524, 596, 992, 1048, 1192, 2096, 2384, 4061, 4192, 4619, 4768, 8122, 9238, 16244, 18476, 19519, 32488, 36952, 39038, 64976, 73904, 78076, 129952, 147808, 156152, 312304, 605089, 624608, 1210178, 2420356, 4840712, 9681424, 19362848]

約数ペア:

[(1, 19362848), (2, 9681424), (4, 4840712), (8, 2420356), (16, 1210178), (31, 624608), (32, 605089), (62, 312304), (124, 156152), (131, 147808), (149, 129952), (248, 78076), (262, 73904), (298, 64976), (496, 39038), (524, 36952), (596, 32488), (992, 19519), (1048, 18476), (1192, 16244), (2096, 9238), (2384, 8122), (4061, 4768), (4192, 4619)]