19635968

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 45131520

約数和(自身を除く): 25495552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 256, 304, 352, 367, 418, 608, 704, 734, 836, 1216, 1408, 1468, 1672, 2432, 2816, 2936, 3344, 4037, 4864, 5872, 6688, 6973, 8074, 11744, 13376, 13946, 16148, 23488, 26752, 27892, 32296, 46976, 53504, 55784, 64592, 76703, 93952, 111568, 129184, 153406, 223136, 258368, 306812, 446272, 516736, 613624, 892544, 1033472, 1227248, 1785088, 2454496, 4908992, 9817984, 19635968]

約数ペア:

[(1, 19635968), (2, 9817984), (4, 4908992), (8, 2454496), (11, 1785088), (16, 1227248), (19, 1033472), (22, 892544), (32, 613624), (38, 516736), (44, 446272), (64, 306812), (76, 258368), (88, 223136), (128, 153406), (152, 129184), (176, 111568), (209, 93952), (256, 76703), (304, 64592), (352, 55784), (367, 53504), (418, 46976), (608, 32296), (704, 27892), (734, 26752), (836, 23488), (1216, 16148), (1408, 13946), (1468, 13376), (1672, 11744), (2432, 8074), (2816, 6973), (2936, 6688), (3344, 5872), (4037, 4864)]