18746692

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 36467200

約数和(自身を除く): 17720508

約数列:

[1, 2, 4, 19, 31, 38, 62, 73, 76, 109, 124, 146, 218, 292, 436, 589, 1178, 1387, 2071, 2263, 2356, 2774, 3379, 4142, 4526, 5548, 6758, 7957, 8284, 9052, 13516, 15914, 31828, 42997, 64201, 85994, 128402, 151183, 171988, 246667, 256804, 302366, 493334, 604732, 986668, 4686673, 9373346, 18746692]

約数ペア:

[(1, 18746692), (2, 9373346), (4, 4686673), (19, 986668), (31, 604732), (38, 493334), (62, 302366), (73, 256804), (76, 246667), (109, 171988), (124, 151183), (146, 128402), (218, 85994), (292, 64201), (436, 42997), (589, 31828), (1178, 15914), (1387, 13516), (2071, 9052), (2263, 8284), (2356, 7957), (2774, 6758), (3379, 5548), (4142, 4526)]