19395584

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 88

約数和(自身を含む): 44018688

約数和(自身を除く): 24623104

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 47, 52, 62, 64, 94, 104, 124, 128, 188, 208, 248, 256, 376, 403, 416, 496, 512, 611, 752, 806, 832, 992, 1024, 1222, 1457, 1504, 1612, 1664, 1984, 2444, 2914, 3008, 3224, 3328, 3968, 4888, 5828, 6016, 6448, 6656, 7936, 9776, 11656, 12032, 12896, 13312, 15872, 18941, 19552, 23312, 24064, 25792, 31744, 37882, 39104, 46624, 48128, 51584, 75764, 78208, 93248, 103168, 151528, 156416, 186496, 206336, 303056, 312832, 372992, 412672, 606112, 625664, 745984, 1212224, 1491968, 2424448, 4848896, 9697792, 19395584]

約数ペア:

[(1, 19395584), (2, 9697792), (4, 4848896), (8, 2424448), (13, 1491968), (16, 1212224), (26, 745984), (31, 625664), (32, 606112), (47, 412672), (52, 372992), (62, 312832), (64, 303056), (94, 206336), (104, 186496), (124, 156416), (128, 151528), (188, 103168), (208, 93248), (248, 78208), (256, 75764), (376, 51584), (403, 48128), (416, 46624), (496, 39104), (512, 37882), (611, 31744), (752, 25792), (806, 24064), (832, 23312), (992, 19552), (1024, 18941), (1222, 15872), (1457, 13312), (1504, 12896), (1612, 12032), (1664, 11656), (1984, 9776), (2444, 7936), (2914, 6656), (3008, 6448), (3224, 6016), (3328, 5828), (3968, 4888)]