19649536

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 44

約数和(自身を含む): 40612480

約数和(自身を除く): 20962944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 619, 992, 1024, 1238, 1984, 2476, 3968, 4952, 7936, 9904, 15872, 19189, 19808, 31744, 38378, 39616, 76756, 79232, 153512, 158464, 307024, 316928, 614048, 633856, 1228096, 2456192, 4912384, 9824768, 19649536]

約数ペア:

[(1, 19649536), (2, 9824768), (4, 4912384), (8, 2456192), (16, 1228096), (31, 633856), (32, 614048), (62, 316928), (64, 307024), (124, 158464), (128, 153512), (248, 79232), (256, 76756), (496, 39616), (512, 38378), (619, 31744), (992, 19808), (1024, 19189), (1238, 15872), (1984, 9904), (2476, 7936), (3968, 4952)]