19633664

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 40

約数和(自身を含む): 40527168

約数和(自身を除く): 20893504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1237, 1984, 2474, 3968, 4948, 7936, 9896, 15872, 19792, 38347, 39584, 76694, 79168, 153388, 158336, 306776, 316672, 613552, 633344, 1227104, 2454208, 4908416, 9816832, 19633664]

約数ペア:

[(1, 19633664), (2, 9816832), (4, 4908416), (8, 2454208), (16, 1227104), (31, 633344), (32, 613552), (62, 316672), (64, 306776), (124, 158336), (128, 153388), (248, 79168), (256, 76694), (496, 39584), (512, 38347), (992, 19792), (1237, 15872), (1984, 9896), (2474, 7936), (3968, 4948)]