18906708

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 45351936

約数和(自身を除く): 26445228

約数列:

[1, 2, 3, 4, 6, 12, 73, 113, 146, 191, 219, 226, 292, 339, 382, 438, 452, 573, 678, 764, 876, 1146, 1356, 2292, 8249, 13943, 16498, 21583, 24747, 27886, 32996, 41829, 43166, 49494, 55772, 64749, 83658, 86332, 98988, 129498, 167316, 258996, 1575559, 3151118, 4726677, 6302236, 9453354, 18906708]

約数ペア:

[(1, 18906708), (2, 9453354), (3, 6302236), (4, 4726677), (6, 3151118), (12, 1575559), (73, 258996), (113, 167316), (146, 129498), (191, 98988), (219, 86332), (226, 83658), (292, 64749), (339, 55772), (382, 49494), (438, 43166), (452, 41829), (573, 32996), (678, 27886), (764, 24747), (876, 21583), (1146, 16498), (1356, 13943), (2292, 8249)]