19371488

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 40602240

約数和(自身を除く): 21230752

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 151, 152, 211, 302, 304, 422, 604, 608, 844, 1208, 1688, 2416, 2869, 3376, 4009, 4832, 5738, 6752, 8018, 11476, 16036, 22952, 31861, 32072, 45904, 63722, 64144, 91808, 127444, 128288, 254888, 509776, 605359, 1019552, 1210718, 2421436, 4842872, 9685744, 19371488]

約数ペア:

[(1, 19371488), (2, 9685744), (4, 4842872), (8, 2421436), (16, 1210718), (19, 1019552), (32, 605359), (38, 509776), (76, 254888), (151, 128288), (152, 127444), (211, 91808), (302, 64144), (304, 63722), (422, 45904), (604, 32072), (608, 31861), (844, 22952), (1208, 16036), (1688, 11476), (2416, 8018), (2869, 6752), (3376, 5738), (4009, 4832)]