19421376

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 112

約数和(自身を含む): 57351168

約数和(自身を除く): 37929792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 251, 312, 372, 403, 416, 496, 502, 624, 744, 753, 806, 832, 992, 1004, 1209, 1248, 1488, 1506, 1612, 1984, 2008, 2418, 2496, 2976, 3012, 3224, 3263, 4016, 4836, 5952, 6024, 6448, 6526, 7781, 8032, 9672, 9789, 12048, 12896, 13052, 15562, 16064, 19344, 19578, 23343, 24096, 25792, 26104, 31124, 38688, 39156, 46686, 48192, 52208, 62248, 77376, 78312, 93372, 101153, 104416, 124496, 156624, 186744, 202306, 208832, 248992, 303459, 313248, 373488, 404612, 497984, 606918, 626496, 746976, 809224, 1213836, 1493952, 1618448, 2427672, 3236896, 4855344, 6473792, 9710688, 19421376]

約数ペア:

[(1, 19421376), (2, 9710688), (3, 6473792), (4, 4855344), (6, 3236896), (8, 2427672), (12, 1618448), (13, 1493952), (16, 1213836), (24, 809224), (26, 746976), (31, 626496), (32, 606918), (39, 497984), (48, 404612), (52, 373488), (62, 313248), (64, 303459), (78, 248992), (93, 208832), (96, 202306), (104, 186744), (124, 156624), (156, 124496), (186, 104416), (192, 101153), (208, 93372), (248, 78312), (251, 77376), (312, 62248), (372, 52208), (403, 48192), (416, 46686), (496, 39156), (502, 38688), (624, 31124), (744, 26104), (753, 25792), (806, 24096), (832, 23343), (992, 19578), (1004, 19344), (1209, 16064), (1248, 15562), (1488, 13052), (1506, 12896), (1612, 12048), (1984, 9789), (2008, 9672), (2418, 8032), (2496, 7781), (2976, 6526), (3012, 6448), (3224, 6024), (3263, 5952), (4016, 4836)]